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A World War II Airforce San Carlos Key cipher, Spanish, circa 1940,with Wheatstone type double cogged wheels with numerical and alphabetical scal...
A HAGELIN CD-57 POCKET CIPHER MACHINE, German, 1957-75,serial no.62258, a hand held pin and lug Pocket Cipher Machine with manufacturer's plate '...
A Hagelin CD57RT pocket cipher machine, Swiss, 1957-75,serial no. 9317, a hand held pin and lug Pocket Cipher Machine with manufacturer's plate...
A Curta Type II calculator, Liechtenstein, mid 20th century,no. 515191, in drum case with screw lid and leather carrying case, 5in (12.5cm) hig...
A J. Swift & son portable polarising monocular microscope, English, late 19th century,in mahogany case with three oculars, three objectives, camer...
A W. Watson & Son Van Heurck compound monocular microscope, English, early 20th century,in fitted mahogany case with four oculars, four objectives...
A Baker binocular compound microscope, English, late 19th century,in fitted mahogany case with six objectives, three oculars, analyser, polariser ...
A J. Swift & son brass binocular dissecting microscope, English, late 19th century,in mahogany case, with supporting armrests, lacking objectives,...
A rare Leitz petrological microscope, German, mid 20th century,no. 467607, with 4-axis Leitz universal stage with Wright arcs, no. 5227, 15 1/2...
A Stephenson's erecting binocular microscope stand, English, circa 1870,signed STEPHENSON'S ERECTING BiNOCULAR, the large Ross No.1 stand with ...
Three compound mococular microscopes, early 20th century,including a Leitz monocular microscope in case with four objectives and ocular, a Carl Z...
A Leitz microscope, German, 1930's,signed Chadburn Bro. Opticians Sheffield, in leather carrying case together with a brass compound monocular mi...
A W. Watson compound monocular microscope, English, early 20th century,in fitted mahogany case with ocular and five objectives, 13in (33cm) high...
A Leitz universal research monocular/binocular compound microscope, German, circa 1925,no.233296, with electric illuminant, Leitz 3, 4, 6, 6a, 7 a...
Two Watson compound microscopes, English, early 20th century,comprising a monocular microscope, no.9441 in mahogany case with ocular and objective...
A Smith & Beck binocular compound microscope, English, late 19th century,signed Smith & Beck 6 Coleman Street London 2435, in mahogany vase with f...
A collection of various microscope accessories,including oculars and objectives by various makers, including Zeiss, Swift and Leitz, (Qty)For furt...
An R. Winkel compound monocular microscope, German, late 19th century,signed R. Winkel Gottingen, with rack and pinion focusing, in mahogany case ...
A collection of approximately 100 microscope specimen slides, English, the majority second half o...
A collection of approximately 100 microscope specimen slides, English, the majority second half of the 19th century,including 48 human histology s...
A collection of approximately 320 microscope specimen slides, English, predominately late 19th...
A collection of approximately 320 microscope specimen slides, English, predominately late 19th and early 20th century,mainly botanical samples ...
A collection of approximately 500 microscope specimen slides, English, predominately late 19th ce...
A collection of approximately 500 microscope specimen slides, English, predominately late 19th century,the majority rock or mineral section slides...
A collection of approximately 300 microscope specimen slides, English, the majority late second h...
A collection of approximately 300 microscope specimen slides, English, the majority late second half of the 19th century,made by a wide range of p...
A Claude-Simeon Passemant Cuff-type compound monocular microscope, French, 1749-1769,signed Passemant Ingenieur du Roi au Louvre, with ocular, wit...
A George Adams brass Cuff-type microscope, English,signed G. Adams N° 60 Fleet Street London, on mahogany base with accessory draw (empty) in asso...
A small drum monocular compound microscope, English, mid 19th century,in oak case together with two boxes of microscope specimen slides, two bench...
An Abraham brass monocular compound microscope, English, first quarter of 19th century,signed Abrahams Bath, in fitted mahogany case with three o...
A Collins microscope slide preparation cabinet, English, circa 1880,the mahogany case with drawer in the base fitted with glass bottles, watch gla...
Two microscope slide preparation cabinets, English, late 19th century,the larger repurposed from an artist's paintbox with slide ringing turntable...
A naturalist's simple microscope, English, mid 19th century,with lens, object holder on slide and turned ivory handle, in leather carrying case, 2...
A J. P. Cutts compound and single microscope, English, 1830's,signed J. P. Cutts, London, with rack and pinion focusing to the stage, in fitted m...
A collection of approximately 265 microscope specimen slides, English, predominately 19th century...
A collection of approximately 265 microscope specimen slides, English, predominately 19th century,including 45 slides by C. M. Topping of histolog...
A William Harris brass Culpeper-type compound monocular microscope, English, early 19th century,
A William Harris brass Culpeper-type compound monocular microscope, English, early 19th century,signed WM Harris, 50 High Holborn, London & at Ham...
Two microscope slide preparation cabinets, English, mid 19th century,the first repurposed from a mahogany medicine chest, fitted with sectioning r...
A R & J Beck mahogany microscope specimen slide case, English, circa 1870,the 21 numbered drawers with turned ivory handles and makers plaque en...
A Powell & Lealand 'No.1' compound monocular/binocular microscope, English, 1898,signed POWELL & LEALAND 170 Euston Road LONDON 1898, standard No...
An Andrew Rosss brass compound monocular microscope, English, mid 19th century,signed A Ross London no.605, with mechanical stage and sub-stage,...
A microscope slide preparation cabinet, English, late 19th century,adapted from a chemistry set, the mahogany case with two removable trays, 9 gla...
A Carpenter-type compound monocular microscope, English, circa 1830,the tube with rack and pinion focusing supported by a collar above column an...
A collection of approximately 120 microscope specimen slides, English, circa 1880,including 36 slides of specimens mounted in fluid, 38 histology ...
A Wilson screw-barrel simple microscope, English, mid 18th century,with turned ivory handle, in velvet lined fishskin case with five numbered lens...
A Henry Crouch/Smith Beck & Beck monocular/binocular compound microscope, English, circa 1865,
A Henry Crouch/Smith Beck & Beck monocular/binocular compound microscope, English, circa 1865,signed on the foot Henry Crouch, London 2002 and o...
A Swift & Son monocular compound microscope, English, circa 1900,signed Swift & Son, 43 University St., London W.C., with anodised brass stand,...
A Watson & Sons compound monocular microscope, English, early 20th century,with triple turret nose piece, mechanical stage, substage condenser an...
A Carl Zeiss petrological compound monocular microscope, German, circa 1920,signed Carl Zeiss Jena No. 35402, the eye-piece mount with silver s...
A W. Watson & Sons compound monocular microscope, English, circa 1900,with anodised brass stand, rack and pinion course and fine focusing, mechan...
A Culpeper-type compound monocular microscope, English, circa 1740,with brass eyepiece and sliding cover, turned ebony nosepiece, green vellum dr...
Two compound monocular microscopes, English, early 20th century,comprising a Baker folding field microscope in leather case and a W. Watson compou...
A Moritz Pillischer compound monocular microscope, English, circa 1870,signed M.Pillischner London No.761, with rack and pinion and lever and s...
A Carl Zeiss compound monocular microscope, German, 1920's,signed Carl Zeiss Jena No. 39393, the 'jug-handle' stand with coarse and fine focusin...
An Andrew ROSS Wenham's Binocular Compound Microscope, circa 1865signed Ross London 5167, with dual adjustment to the eyepieces, rack and pinion ...
A Robert Banks compound and simple microscope, English, 1811-1820,signed Banks Maker to H.R.H.the Prince Regent 441 Strand London, the body tube...
A fine W. Watson & Sons Van Heurck monocular/binocular compound microscope, English, circa 1900,
A fine W. Watson & Sons Van Heurck monocular/binocular compound microscope, English, circa 1900,signed W Watson & Sons 313 High Street London 50...
A Ross No. 1 compound binocular microscope, English, circa 1860,signed A Ross London 1919, of standard Ross stand design with adjusted monocular/b...
An Edmund Culpeper compound monocular microscope, English, circa 1730,trade label inset into base printed Edm Culpeper at ye (crossed daggers) i...
A Parkins & Gotto's Electrical Cabinet, English, circa 1905,the mahogany case with hinged lid opening to interior fitted with a set of six glass...
A Focault knife-edge test apparatus by Weiss, English, late 19th century,the mahogany case fitted with bench mirror with peep-hole, glass panel on...
An A.Picart refractometer on stand, French, late 19th century,signed A. Picart, 20 rue Mayet, Paris, with rack and pinion focusing to the eye pie...
A 1/4-inch refracting telescope, Italian, 18th century,with turned fruitwood eye-piece and objective mounts and caps, four draws and outer tube wi...
A William Wray 3-inch brass refracting telescope on stand, English, mid 19th century,signed WRAY LONDON, the tube with rack and pinion focusing,...
A William Wray split lens micrometer eyepiece, English, mid 19th century,signed WRAY LONDON, with rack and pinion rotating movement over beveled ...
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