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An R.B. Bate Compound Monocular Microscope, English, circa 1830,with rack and pinion focusing, on folding tripod base, in fitted mahogany case with trade label applied to the inner surface, with comprehensive collection of accessories including sprung stage, six objectives, Lieberkühn, fishplate, livebox, bone slides and stage condenser, the case 12 1/2 (32cm) wide Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A rare George Lindsay brass portable microscope, English, 1746,the silver plaque signed Geo. Lindsay Inv(r) & Fec(r), the brass stage frame stamped 1746, with serial number 130 stamped beneath the brass plate holding the objective, the side of the microscope with silver strip stamped with fiducial marks '76543', with two brass strips numbered 2-4 and 5-7 which insert into the top plate, on brass tripod base, together with accessories including two silver and brass Lieberkühn pieces, and five bone slides, housed in a later lined case, the microscope body 3 1/2in (9cm) long; 6in (15cm) wide in case Footnotes:George Lindsay (fl. 1743-1776) was a leading instrument maker during the mid-18th century, his talent confirmed by his appointment in 1760 to the role of royal watch and clock maker to George III. Prior to this Lindsay circulated advertisements for G Lindsay Watch & Clockmaker to his Royal Highness ye Prince of Wales at ye Dial near Catherine Street in ye Strand. Inventor & Maker of ye Generally portable microscope.The present microscope is an example of Lindsay's patented pocket microscopes, the first such design to receive a patent (No. 588) in 1742/3. Lindsay published a pamphlet in 1743, which championed the portability of his microscope as fitting into any case 'not exceeding six Cubic Inches'. As a result the instrument was affectionately called the 'snuff-box microscope'.A comparable brass example of this instrument is in the collection of the Royal Microscopical Society, London. Lindsay also produced two silver models were produced, one of which is now in the Whipple Museum, Cambridge.Literaturecf. Gerard L'E Turner, The Great Age of the Microscope, Bristol, pp. 261-262, No. 279.This lot is subject to the following lot symbols: * Y Ф* VAT on imported items at a preferential rate of 5% on Hammer Price and the prevailing rate on Buyer's Premium.Y Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

Four Compound Monocular Microscopes, 19th century,one signed NACHET ET FILS, 17 RUE ST SEVERIN, PARIS, another Culpeper type signed WM Harris & Co., 50 High Holborn, London, each microscope uncased and lacking accessories, the largest 13in (33cm) high, (4)Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Benjamin Martin-type Compound Monocular Microscope, English, circa 1770,with tube supported by a bracket above a winged stage, with milled screw focusing, on single column above a concave reflector and folding tripod base, in fish-skin case fitted with accessories including four objectives, two Lieberkühns, a set of slides, fishplate and livebox, the microscope 12 1/2in (32cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A William Harris Culpeper-type Compound Monocular Microscope, English, circa 1820,signed William Harris & Co., 50 High Holborn, London & at Hamburgh, of standard Culpeper format, on square mahogany base, with drawer fitted with three objectives, stage forceps and sprung stage, fishplate, and Lieberkühn, in mahogany pillar case with trade label applied to the door interior, the microscope 15in (38cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.William Harris is recorded as being in Bey dem Rathause no. 26, Hamburg in the year 1820.For further information on this lot please visit Bonhams.com

A Baker Compound Monocular Microscope, English, circa 1870,signed Baker 244 High Holborn, London, focusing by rack and pinion and lever and screw, on tripod stand, in mahogany case with ocular and objective, the microscope 15in (38cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Collection of Microscope Accessories, 20th century,including a case of Carl Zeiss oculars, objectives and substage condenser, a set of Reichert accessories in three wooden cases, and a quantity of other microscope accessories, For further information on this lot please visit Bonhams.com

A John Browning Spectroscope Microscope Accessory, English, circa 1880,signed John Browning 63 Strand, London, with micrometer screw adjustment to the eyepiece, in fitted mahogany case, 8in (20cm) long Footnotes:This accessory was championed by its maker John Browning (1831-1925) as a perfected arrangement which could be applied to the eyepiece of a microscope, replacing the ordinary eyepiece. First offered in 1877 for a price of 8 pounds and 5 shillings, the spectroscope was advertised as being able to 'indicate plainly the minutest quantity' of blood, adulterations in food, and the minutiae of leaves and plants.For further information on this lot please visit Bonhams.com

A Baker Binocular Compound Microscope, English, late 19th century,signed Baker 244 High Holborn, London, with rack-and-pinion and lever-and-screw focusing, mechanical stage on tripod base with reflector, in mahogany case with four objectives, two oculars, and a set of glass slides, 14in (37cm) high For further information on this lot please visit Bonhams.com

An Edmund Culpeper Compound Monocular Microscope, English, circa 1730,with ebonised and turned wood ocular support, green leather draw tube tooled with gilt lining, grey ray-skin outer tube, support on three columns above a circular stage and concave mirror, in original oak pillar case with Culpeper's crossed dagger trade label applied to the back, with drawer in the base fitted with objective, sprung stage, stage condenser, cone, talc box and glass fishplate scratch-engraved Culpeper Fecit, the microscope 14 1/2 (37cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.Edmund Culpeper (d.1737) established himself as a dominant figure in the instrument making profession in the early 18th century, although it remains uncertain whether he was the original inventor of the compound tripod microscope. He advertised an unparalleled variety of microscopes in 1710, and was located in Moorfields and later Cornhill. Culpeper's prominence in the early 18th century led to him becoming synonymous with the tripod model, or 'Culpeper-type' microscope. Despite taking over his master's shop in circa 1700, Culpeper did not become a freeman or take an apprentice until 1714. Following his death in 1737, the business was continued by his son.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A J. Tuther Brass Compound Monocular microscope, English, Early 19th century,signed TUTHER KING STR. BLOOMSBURY, LONDON, with rack and pinion focusing to the stage, stage forceps and condenser, on folding tripod base, in fitted mahogany case, with five objectives, fish-plate, two Lieberkühn, and cone, together with a small mahogany case of specimen slides, 15in (38cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.John Tuther is known to have worked in London between 1816-1828, selling microscopes, balances, prospect glasses and barometers. The present instrument can be dated to the earlier years of Tuther's career, due to his shop being based on King Street in Bloomsbury in 1816 and 1817 only. Following this brief period, operations were moved to High Holborn. Although this pocket microscope bears a construction evocative of the Cary-Gould type, Charles Gould did not advertise his popular model until 1826.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A rare John Cuff mahogany and brass solar microscope, English, mid 18th century,signed John Cuff Londini Fecit, the square mahogany window shutter plate measuring 8 x 8 in, mounted with adjustable reflector on one side and microscope body tube on the other, one section bound in fish-skin and a brass screw-barrel type tube with rack and pinion focusing, the screw-barrel attachment in velvet lined and fish-skin covered case with six objectives and three bone mounted specimen slides, all housed in fitted mahogany carrying case, 8 3/4in (22.5cm) wide in case Footnotes:Provenance:Ex-Lot 84, Bonhams, Knightsbridge, 19 March 2008.John Cuff (1708-1772) was a specialist instrument maker whose output focused primarily on microscopes. Cuff is known for producing new microscope types beyond the well established examples (the Culpeper-type and the pocket type), in particular the solar microscope and 'Mr. Cuff's new-constructed double microscope'. Despite his expertise and popular innovations, Cuff went bankrupt by 1750 and sold the entirety of his stock. One possible cause of this misfortune was a fierce competitor, Benjamin Martin (1704-1782), moving his workshop next door to Cuff's on Fleet Street.For further information on this lot please visit Bonhams.com

Two Pocket Microscopes, English, early 19th century,including a Gould-type microscope, in fitted case with a Banks trade label applied to the lid interior, with stage and forceps together with three objectives, also a cased simple microscope with reflector and two objectives, the larger 8in (20cm) high overall, (2)This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

ADAMS, George: Essays on the Microscope, Second Edition, London, 1798,two volumes, half-calf bindings, quarto, together with a collection of approximately twenty-five books on the microscope, and operating instructions, This lot is subject to the following lot symbols: •• Zero rated for VAT, no VAT will be added to the Hammer Price or the Buyer's Premium.For further information on this lot please visit Bonhams.com

A Thomas Gregory Compound Monocular Microscope, English, Mid 19th century,signed Gregory FECIT, Birmingham, with rack and pinion focusing, mechanical stage, supported by two columns above a heavy brass circular base, in mahogany case with ocular, objective, livebox, and Lieberkühn, the microscope 18in (46cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.Thomas Gregory is recorded as working in Birmingham between 1845 and 1850.For further information on this lot please visit Bonhams.com

A Brass Compound Monocular Microscope, English, Early 19th century,with rack and pinion focusing, sprung stage with concave reflector and folding tripod base below, in fitted mahogany case with five objectives, 16in (40cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

Three Compound Microscopes, English, 19th century,comprising a Smith & Beck binocular microscope, a Watkins & Hill monocular microscope, and a Pillscher monocular microscope, all uncased and lacking accessories, the largest 16in (41cm) high, (3)Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A rare Nachet et Fils brass binocular compound microscope, French, circa 1860,signed NACHET ET FILS a Paris 16 Rue Serpente, with lead-filled base, plano/concave reflector, mechanical circular stage, adjustment to the eyepieces via a Hooke joint and pair of knurled knobs, focusing by rack and pinion and lever and wheel, together with two eyepieces, objective, bench condenser and live box, the microscope 17in (43cm) high Footnotes:Provenance:Ex-Lot 14, Bonhams, Knightsbridge, 25 September 2019.The collection of Dr MacKinnon.This type of binocular microscope gives a true stereoscopic image as the beam from the object is split by a symmetrical prism into two beams each of which travel to the eyepiece by a further prism.For a slightly different model see: Turner, G.L.E, 'The Great Age of the Microscope', catalogue 220.For further information on this lot please visit Bonhams.com

A J. Swift & Son Petrological Microscope English, early 20th century,signed J. SWIFT & SON, LONDON, the body tube with sliding lenses, focusing by rack and pinion and calibrated screw, with circular rotating stage, in fitted mahogany box with three oculars, four objectives, and polariser, 15in (38cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Culpeper-type Compound Monocular Microscope, English, Early 19th century,of standard Culpeper format, on mahogany base, with drawer containing fishplate, sprung stage and stage condenser, in mahogany pillar case, the microscope 15in (38cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Collection of Microscope Specimen Slides, English, Late 19th century,comprising a mahogany case with sliding panel front revealing 13 drawers of professional and amateur slides, together with two smaller cases of slides, the larger case 9in (23cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Fine Swift & Son 'Challenge' Binocular/Monocular Compound Microscope, English, circa 1880,signed Swift & Son, 81 Tottenham Court Rd London WC, with near-complete set of accessories, including two Swift and nine Powell & Lealand objectives, six oculars, monocular and binocular tubes, three separate substage assemblages, one made by Powell & Lealand, bench condenser, double nosepiece, livebox, and a Wenham prism oblique illuminator, in oak case, together with a file of notes and cataloguing compiled by Dr Mackinnon, the microscope 15in (38cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Smith & Beck Brass Compound Binocular Microscope English, circa 1870,signed SMITH & BECK 6 COLEMAN STREET, LONDON, 2258, with rack and pinion focusing, on tripod base, in fitted mahogany case with comprehensive collection of accessories including four objectives, four oculars, bench condenser, dark-ground substage condenser, analyser and polariser, 15 1/2in (39.5cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Group of Three Microscopes, English, 19th century,comprising a Statham's combined telescope and microscope in case, a Charles Collins dissecting microscope, and a field microscope in case with accessories, the largest 10 1/2in (27cm) high (3)For further information on this lot please visit Bonhams.com

A Cuff-type Compound Monocular Microscope, English, Early 19th century,of standard Cuff design, on mahogany base with drawer fitted with five objectives, cone, livebox, stage forceps, in mahogany pillar case with brass handle, the microscope on stand 13 1/2in (34cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Culpeper-type Compound Monocular Microscope, English, circa 1820,of standard Culpeper design, focusing by draw tube, tripod supported on square mahogany base with fitted drawer containing six objectives, ocular, spring substage, fishplate, livebox, bullseye reflector, barrel, specimen tubes and bone slides, in mahogany pillar case, the microscope 15in (38cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Large Gilkerson & McAll Compound and Simple Microscope, English, 1826-1830,signed on the foot GILKERSON & McALL Tower Hill London, the rectangular stage with screw focusing and sub-stage condenser and plano/concave reflector, in fitted base with seven numbered objectives, two objectives with covers and five Lieberkühns, talc box, fish plate and set of specimen slides, in fitted mahogany case, the case 18in (46cm) wide Footnotes:Provenance:Ex-Lot 62, Bonhams, Knightsbridge, 4 April, 2017.The collection of Dr MacKinnon.The present microscope was probably made by George or Dudley Adams, and retailed by Gilkerson and Mcall.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A John Cuthbert 5-inch brass Gregorian reflecting Telescope on Stand, English, circa 1830,signed John Cuthbert London, the tube with star finder mounted in parallel, focusing to the secondary mirror by long shank and screw, supported by two brackets above mount with altitude and azimuth adjustment, short column and folding tripod base, tube 18in (46cm) long Footnotes:John Cuthbert (1783-1854) was a respected optician who made a number of reflecting telescopes. In 1826 he began making a small number of reflecting microscopes in response to the demand to improve the resolution of the microscope image which suffered from chromatic aberration. Lister's publication in 1830 of the new design of refracting objective made the reflecting microscope redundant.For further information on this lot please visit Bonhams.com

A Collection of Microscope Mahogany Cases and Various Accessories, English, Late 18th and 19th century,including two Cuff-type pillar cases, three 19th century mahogany cases, a brass microscope stand in case, and various microscope accessories including tubes, condensers, oculars and objectives, the largest 20in (51cm) high (8)Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Drum Microscope and Bench Illuminant, English, Late 19th century,the microscope with six objectives in mahogany case, the lamp with glass reservoir, bullseye condenser, and ceramic shade, in case, the largest 13in (33cm) high, (2)Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Burke and Jones Reproduction Culpeper-type Compound Monocular Microscope, English, Modern,No. 115, of standard Culpeper design, on mahogany base with certificate, two objectives, fishplate, stage condenser and pin, in mahogany pillar case, 16in (41cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Carl Zeiss Compound Binocular Microscope, German, second half 20th century,stamped KARL ZEISS JENA, 338043, with binocular eyepieces, quadruple nosepiece, mechanical stage, substage with triple condensers, on heavy base, with electrical element, in fitted case with six oculars, six objectives together with other accessories, the microscope 15in (38cm) high For further information on this lot please visit Bonhams.com

A Charles Chevalier Brass Horizontal Compound Microscope, French, circa 1840,signed CHARLES CHEVALIER to the eyepieces, with horizontally mounted tube, focusing to the stage by rack and pinion with plano/concave mirror below, supported on adjustable column above tripod base, in fitted mahogany case with three oculars and two objectives, 15in (38cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Microscope Bench Lamp, English, circa 1880,complete with glass oil reservoir and chimney, on adjustable brass stand, with ceramic shade, in pine carrying case, 12 1/2in (32cm) high For further information on this lot please visit Bonhams.com

A Lincoln Brass Compound Chest Microscope, English, late 18th century,signed LINCOLN LONDON, with focusing to the stage with milled screw, in red velvet-lined mahogany case, with ocular, six objectives, cone and livebox, and stage condenser, 13 1/2in (34.5cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

Three Compound Monocular Microscopes, English, 19th century,Including two by Smith & Beck in fitted cases, and one Culpeper-style microscope lacking case and accessories, the largest 15in (38cm) high, (3)For further information on this lot please visit Bonhams.com

A Cuff-type Compound Monocular Microscope, English, third quarter of the 18th century,of standard Cuff design, on square mahogany drawer fitted with six objectives, slide holder, cone, and livebox, in mahogany pillar case with drawer in the base fitted with bone slides and stage forceps, the microscope 13 1/2in (34cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Simon Plossl Compound Monocular Microscope, Austrian, Mid 19th century,signed Plossl in Wien, with supporting triangular column, with rack and pinion focusing, on brass circular base, in green velvet-lined mahogany case with five oculars, two objectives, bench condenser, slide holder and prism holder containing glass prism, the microscope 16 1/2in (42cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Compound Binocular Microscope, English, Late 19th century,with dual adjustment to the eye pieces, rack and pinion focusing, mechanical stage with substage wheel of stops, and plano/concave reflector, in mahogany case with bench condenser, fish-plate, five objectives, dark ground condenser, parabolic reflector, 18in (46cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Meredith Compound Monocular Microscope, English, Early 19th century,signed MEREDITH LONDON, the triangular section column fitting into the top of the mahogany case, with a rack and pinion focusing, substage condenser and reflector, accessories include ocular, lens slide, and two Lieberkühn, 20in (51cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Rare Joseph Hurt Culpeper-type Compound Monocular Microscope, English, circa 1740,the draw tube signed I. HURT, turned and ebonised wood ocular mount, with green leather draw tube, tooled with focusing point, stained pink ray-skin outer tube, shaped stage on octagonal base, with drawer fitted with four objectives and fishplate, the microscope 16in (41cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.Joseph Hurt was a renowned optician known to have sold instruments from 1736-1748, advertising a comprehensive range of optical and mathematical material. Hurt was apprenticed to Ralph Sterrop in 1729, but within six years was operating under his own name at Archimedes & Three Golden Spectacles in Ludgate Street, London. In this same year he was called to the Guild of Spectaclemakers. Occasionally Hurt advertised with the alternative surname of Hurst.For further information on this lot please visit Bonhams.com

A Crighton Brass Improved Compound Monocular Microscope English, Early 19th century,signed Improved Compound Microscope by Crighton, 112 Leadenhall St. London, with drawer-tube focusing, sprung stage and concave reflector and folding tripod base below, in fitted mahogany case with six objectives, bench condenser, stage forceps, tweezers, and livebox, 16in (40cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Gould-type Compound Monocular Microscope, English, Mid 19th century,in fitted mahogany case with complete set of accessories, including three objectives, Lieberkühn, livebox, and stage forceps and condenser, the case 8 1/2in (22cm) wide Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Smith & Beck Brass Compound Monocular Microscope, English, circa 1870,signed Smith & Beck 6 Colman Street London, No. 2846, of standard form in fitted case with four oculars, five objectives, two Lieberkühns, wheel of stops, and double nosepiece, the case 17in (43cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Chadburn Compound Monocular Microscope, English, Mid 19th century,signed Chadburn Optician & Instrument Maker to H.R.H. Prince Albert, Liverpool, with rack and pinion focusing, sprung-stage and concave reflector, on folding tripod base, in fitted case with six objectives, livebox, stage forceps and condenser, 15in (38cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.Charles Henry Chadburn spent the entirety of his known instrument-making career (1845-1861) based on Lord Street in Liverpool, except for a brief residence in Everton in 1853. In 1851, he was royally appointed as instrument maker to Prince Albert.For further information on this lot please visit Bonhams.com

A Cuff-type Compound Monocular Microscope, English, Early 19th century,of standard Cuff design, on mahogany base with drawer fitted with six objectives, tweezers, stage condenser and slides, in mahogany pillar case with brass handle, the microscope 13in (33cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Gould-type Compound Monocular Microscope, English, Mid 19th century,the racked column screwing into the lid into wooden case, fitted with two objectives, sprung stage, and condenser, the case 8 1/4in (21cm) wide Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A J. White Brass Compound Monocular Microscope, British, mid 19th century,signed on the foot J. WHITE, GLASGOW, with chain-and-pinion course focusing, lever and screw fine focusing, on tripod base, with reflector, in mahogany case with three objectives and other accessories, the microscope 15 1/2in (39.5cm) high This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A J. Swift & Son Dissecting Microscope, English, Late 19th century,signed Swift & Son, 81 Tottenham Ct Rd London WC, with binocular tubes rack-and-pinion focusing, on tripod base with arm rests, in mahogany case, 13in (33cm) high Footnotes:Provenance:Ex-Lot 96, Bonhams and Brooks, London, 9th May 2001.For further information on this lot please visit Bonhams.com

A J.S. Swift & Son Folding Compound Monocular Microscope, English, late 19th century,signed J.S. Swift & Son, London, No. 261, With rack-and-pinion focusing, substage condenser and mirror, on folding tripod base, with single ocular and objective, 10 1/2in (26.5cm) high For further information on this lot please visit Bonhams.com

Three Compound Monocular Microscopes, English, second half 19th century,comprising a student's microscope on circular base in case, and two drum microscopes in cases, the largest 10in (25.5cm) high, (3)Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

An Adams Culpeper-type Compound Monocular Microscope, English, Early 19th century,signed Adams London, with draw tube focusing, on mahogany base with drawer fitted with five objectives, sprung stage, stage forceps and condenser, in mahogany case with drawer to the base, fitted with livebox, cone, and Lieberkühn, the microscope 14 1/2 (37cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A J.B. Dancer Compound Monocular Microscope, English, circa 1860,with rack and pinion and lever and screw focusing, mechanical stage and plano/concave reflector, supported by two columns above tripod base, in mahogany case with trade label applied to the inner door, and a drawer of accessories including ocular, two objectives, analyser, polariser, livebox, and tweezers, the microscope 17in (43cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Husbands Brass Compound Monocular Microscope English, late 19th century,signed HUSBANDS BRISTOL, in fitted mahogany case, with analyser, ocular, two objectives, and bench condenser, together with a drawer fitted with specimen slides and livebox, 15 1/2 (39.5cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Dollond Culpeper-type Compound Monocular Microscope, English, Early 19th century,signed DOLLOND LONDON, of typical Culpeper design with draw tube focusing, supported on mahogany base with drawer fitted with ocular, five objectives, tube, stage forceps, fishplate, lenses and reflector, and numerous bone slides, in mahogany pillar case, the microscope 15 1/2in (39.5cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Compound Monocular Microscope, English, Early 19th century,the column screwing into the lid of mahogany case, with rack and pinion focusing to the stage, forceps and stage condenser, with plano/concave reflector below, with two eye-pieces and two objectives, 16 1/2in (42cm) high overall Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

Three Compound Monocular Drum Microscopes, English, Late 19th century,the largest with rack and pinion focusing, in case with livebox and six objectives, each microscope cased, the largest 10in (25.5cm) high, (3)Footnotes:Provenance:From the collection of Dr MacKinnon.For further information on this lot please visit Bonhams.com

A Large Collection of Microscope Specimen Slides, English, late 19th century,including a mahogany case with hinged door, opening to twenty-one drawers of case slides, including diatomes and micro-photographs by Dancer, together with another wooden cabinet fitted with modern specimen slides, and a quantity of other smaller cases fitted with specimen slides, the mahogany case 12in (30.5cm) high This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A Benjamin Martin-type Compound Monocular Microscope, English, circa 1770,with tube supported by a bar limb, with screw focusing, shaped stage with plano/concave mirror below, on folding tripod base, in velvet-lined, fish-skin covered case, with five objectives, fishplate, two Lieberkühns, and a set of slides, the microscope 11 1/2in (29cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com

A J.H. Steward Compound Binocular Microscope, English, circa 1870,signed J.H. Stewart 406 Strand, with dual adjustment to the eyepieces, focusing by rack and pinion, mechanical stage with plano/concave mirror below, in mahogany case with glaze door, fitted with set of slides, ten objectives, three oculars, camera lucida, livebox, stage and parabolic reflector, the microscope 16in (41cm) high Footnotes:Provenance:From the collection of Dr MacKinnon.This lot is subject to the following lot symbols: Y ФY Subject to CITES regulations when exporting items outside of the EU, see clause 13.Ф This lot contains or is made of ivory. The United States Government has banned the import of ivory into the USA.For further information on this lot please visit Bonhams.com