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AN ENGLISH BRASS PROTRACTOR, engraved Troughton & Simms London, with pivot-lens, crosswires, finely engraved scale and vernier, the index inscribed T Carrick, 30.5cm diam, 19th c ++The original lacquer rubbed and discoloured

AN UNUSUAL 19TH CENTURY SIMPLE THEODOLITE, signed on the silvered vertical half circle: J. Pallant, Maker, London., and divided 0° - 180° on the inner scale the outer 0° - 90° (x2) with fore and aft pin sights, the horizontal protractor silvered scale divided 0° - 180° (x2) with single pin sight set a 90°, further marked PC at the 115° points, with steel assembly rod and lacquered brass pillar stand 15" high, in fitted mahogany case: 16" wide. See Illustration.

A little used RABONE No 1248 2' two fold boxwood rule with brass slide and fittings, protractor hinge and bevel edge, marked Girt Line etc G++

A little used 2' four fold fully brass bound boxwood architects rule by RABONE in London inches and metric with protractor hinge and inside bevel edges, minor chip and one pin missing o/w F

A French inclinometer level by S.G.D.G. with steel frame and adjustable brass arm, level and protractor scale and Clitographe Lefevre G+

A very rare 2' four fold ivory rule and square with protractor hinge by THOMAS BRADBURN & SONS Birmingham with German silver fittings and Patent locking device for 45 and 90 degree angles, also with Her Majesties Royal Letters Patent and the hinge engraved T.H.IVEY, slight sprain and one pin missing o/w G++

An unusual 6" ivory protractor by COMPTON Rgd. Protractor No 644170 No 27 with Yards, Miles, Kilometres etc F

A 6" ivory protractor by STANLEY Gt. Turnstile London G++

A 6" ivory protractor by ASTON & MANDER No 4035 and dated 1917 G+

A 19th Century brass 360 degree protractor by J Davis, Derby, 153mm diameter

Troughton and Simms brass protractor with adjustable radial arms in a fitted mahogany case

A late 19th century miners brass circular protractor by Troughton & Simms, London, in mahogany case, 6.5ins

A 19th Century German Brass Protractor, with engraved decoration and lettering "Flottmann Fec., Berolini", 5 1/2" wide; and A Georgian Brass 6" Scale Rule, by "Tho Wright, Instrumt Maker to His Majesty", with ornate engraved decoration (2) See illustration

A microscope by W Watson & Sons, 'Kima', together with a Cook, Troughton & Sims protractor in original mahogany case and one other drawing/mapping instrument, in original mahogany case

J Davis & Sons - a boxwood and brass inclinometer level, by J Davis & Sons, All Saints, Derby, with compass, protractor hinge, two levels and scale, cased John Davis first came to Derby for varying periods before moving on again, mainly to Cheltenham. He was in the town in 1830, again in 1831, in 1835-36, on and off during the period 1837-1843, before settling permanently behind 22, Iron Gate, Derby in 1844; the firm is still flourishing. John Davis (1811-1873) was a member of an extended family of instrument makers of Jewish descent who, like John in the years prior to 1844, mainly worked peripatetically. Some members of the family - John, senior, David, William and a female relative - had attended Spencer's academy in Green Lane, run by the philosopher Herbert Spencer's father and grandfather, during the 1780s and 1790s.. However, the description on the instrument John Davis & Son/All Saints' Derby tells us that it was made after John Davis's eldest son was taken into partnership in 1873, and Henry took over on his father's death, retaining the style ÒJohn Davis & son/DerbyÓ which was current until the Company style changed in 1898 to ÒJohn Davis (Derby) LtdÓ. The firm built a new works called All Saints' works in Amen Alley opening them in November 1875, and the use of the style ÒAll Saints', DerbyÓ on this instrument confirms that it was made within eighteen months or two years of that date, when the firm was keen to emphasise its new premises. Thus the instrument was probably made 1876-78

Various surveying instruments, including a dumpy level, full-circle protractor and cased planimeter

A miner's brass circular protractor, by Troughton & Simms, London, in mahogany box.

A German WWI (1914-1918) bronze cross and ribbon, a photograph of a German soldier and a Nazi military compass/protractor (3)

A protractor marked with Third Reich insignia, an ebony ruler and other measuring equipment

A fine, probably unused, boxwood and brass inclinometer level by DAVIS Leeds with compass and protractor hinge etc in orig lined case F(250-350)

An 18c French 4" brass protractor arc by BUTTERFIELD Paris G+(80-120)

A little used 8" brass protractor by HALL HARDING London F(60-90)

A 7" brass protractor by T.B.WINTER Newcastle in fitted mahogany box with makers label inside lid G++(80-120)

A fine German nickel silver protractor arc by GEBR. WICHMANN Berlin with extended arm and sights in orig (loose) fitted case G++(50-80)

A fine quality 18c brass gunners caliper by J WATKINS London (w 1784-98) with protractor hinge and engraved with scales for Brass and Iron Guns, Quantity of Powder for Filling the Chambers of Brass Mortars and Howitzers, Shot etc. superb condition F(1500-2500)

An early and little used set of three French brass drawing instruments comprising a folding plumb square with Ligne Aplomb, Pouces, Anglais and Measure du Metre, a sector with decorative hinge and Parties Egales and Poids de Boilets and a protractor with decorated bar and L'ing'r (engineer) Chevalier Opticiendu Roi Place du Pont Neuf 15. a Paris G++(300-500)

A rare 2' four fold architects ivory rule with inside bevel edges and German silver bolt and fittings by THOMAS BRADBURN & SONS Bir'm Est 1834 with Patent Bolted Joint Rule and protractor hinge, also stamped F Willey Gall Lane Newmarket, some yellowing to the outer G++(250-400)

An architects 2' four fold ivory rule by ROBSON Dean St Newcastle with German silver fittings and protractor hinge G+(140-180)

A protractor with brass fittings and fitted box, together with four draughtsman drawing instruments with fitted leather boxes.

A cased brass 360 degree protractor stamped J. Malden & Co Ltd, Manchester and London.

A Georgian brass surveying protractor by Wellington, Crown Court, Soho, London, in a mahogany case (A/F)

A 19th century mahogany cased brass protractor by J.B. Dancer of Manchester.

Bacon (Admiral Sir R.H.). The Life of John Rushworth, Earl Jellicoe, 1st ed., 1936, port. frontis., b & w illusts. from photos, folding charts (one with protractor), orig. cloth gilt, a little rubbed, together with Rodman (Hugh), Yarns of a Kentucky Admiral, 1st ed., 1929, port. frontis., b & w illusts. from photos, diags. to text, orig. cloth gilt, a little rubbed, and others of naval interest, all 8vo (3 shelves)

A George II drawing instrument set in a shark skin case opening to reveal a pair of compasses with interchangeable pen pencil and spike two smaller compasses a drawing pen a knife/file an ivory and brass parallel rule a folding foot rule and a protractor.

An ivory and silver coloured metal expanding parallel ruler mid 18th century with pivoted scroll pierced x frame two screws lacking 11.5cm long; with an ivory scale ruler calibrated as a protractor and stamped ‘I: Sifson London’ to verso 11.3cm long. (2). The scale ruler is probably by Jonathan Sisson II c.1690-1747 or his son Jeremiah fl. 1736-88 Jonathan Sisson II was chief workman for George Graham and instrument maker to H R H the Prince of Wales.

A lacquered brass index protractor 19th century the adelade with two hinged index arms and signed ‘H Husband & Sons Bristol’ within calibrated ring with rack adjustment to circumference in original mahogany circular box 24cm diameter.

An early 20th Century boxwood and brass multi-purpose folding rule, inset with compass and protractor by R. Nicholl, London, also another rule with inset level by E. Preston & Sons, Birmingham.

An Ormolu "Navigational" Inkstand, French, circa 1870], as a putto reclining on a bed of scrolls bedecked with navigational instruments including compass, telescope, protractor, maps and a book, behind him a floor standing globe, hinged to reveal inkwell, 14.5cm high See illustration

A Brass Protractor by J Halden & Co. Ltd, Manchester & London, in a fitted mahogany case; a brass Industrial thermometer, measuring from 200 to 1000 degrees Fahrenheit (2)

A Collection of Drawing Instruments, including a circular brass protractor by Hill & Price, Bristol, eight cased drawing sets, two brass rolling rules in mahogany boxes, pantograph by Kueffer & Esser, parallel rule by Wm Harris & Co.; collection of boxwood spile rods; Sikes hydrometer; traction engine photographs.

A Boxwood and Brass Two Fold Inclinometer by Davis, Leeds, with protractor hinge, set with a compass and a spirit level, with numerous scales including `Rise per inches per yard', in a fitted case; a mahogany cased Sikes Hydrometer; a mechanical stage for a microscope in a pine box (3)

Brass 8inch Protractor by Troughton & Simms, London, in oak case

A vernier protractor, with magnifying glass attachment and two blades

A Set of Twelve Pilot's Maps of Central Europe, comprising six France, two Germany, and one Netherlands, together with a Stainforth Cross-Country Protractor, published by Edward Stanford Ltd., London, and contained in original pigskin case stamped F.C.J.B.

A SET OF 19TH CENTURY WHEELWRIGHT'S IRON CALIPERS, stamped J. Fewster, 14.5in. (37cms) long; an iron protractor, 24in. (61cms) and two smaller protractors (4)

Brass nautical plotter, by Elliott Brothers, London, 1873 - 1916, the protractor ring with silvered degrees and cut-outs at the cardinals, the opposing, sprung plotter arms with screw fine adjustment. Diameter 15.5cm, in fitted mahogany box.

A BRASS 360 DEGREE PROTRACTOR, by Halden & Co, Manchester cased

A late 18th Century/early 19th Century French brass graphometer, the protractor with inset compass, the alidade bearing the signature Butterfield A Paris, 19cms

A LATE 18TH-/EARLY 19TH-CENTURY BLACK RAY-SKIN ÉTUI OF MATHEMATICAL OR NAVIGATIONAL INSTRUMENTS including a bone square protractor, a bone sector with brass mount, a bone and brass parallel rule, and a variety of compasses, drawing pens, penknife, file etc, 7.5cm, (6.9in) long

A CASED BRASS SWINGING ARM PROTRACTOR, 19th Century, maker F.Robson, Newcastle

A 19th Century brass 180 degree protractor by A. Abraham of Liverpool, in a mahogany transit case.

J Holden & Co Ltd, Manchester & London A 20TH-CENTURY BRASS 360º PROTRACTOR, stamped in green baize-lined mahogany case, 30.5cm, (12in) diameter

A good 19th century brass protractor by Wilton, St. Day, mahogany box.

A gun-metal and brass sighting compass, fitted a protractor, contained in mahogany case.

Troughton & Simms, London. A brass protractor, marked 0-180 degrees, with two adjstable radial arms, 18.5in (47cm) long, in a fitted mahogany case.

A lacquered brass protractor by S. & S. Ltd., cased, a Swiss made precision measuring instrument, cased, a set of oil bottles, cased, an A.V.O. meter with leather case and a further cased tool. (5)

A Georgian mahogany writing box, rectangular complete with a quantity of brass drawing tools, protractor etc.

A set of late 18th/early 19th Century drawing instruments, contained in shagreen covered case, containing - boxwood folding scale, boxwood calculation scale, brass protractor, two pairs of compasses and four other brass and steel mounted fitments, case 7ins x 3ins x 1.375ins

A 19th Century brass swinging-arm protractor by Robson, 45 Dean Street, Newcastle-upon-Tyne, folding arms with rack and pinion adjustment and a silvered circle degrees scale in a mahogany case.

A 12" brass protractor by R.NICHOLL, 153 High Holborn London with bevel edges and stunning stop chamfers in unpolished condition G+