The Collectors Sale

A Library Glass, Two Magnifying Glasses, Two Simple Microscopes library glass, c.1900, frame nickel silver, heavy construction with turned ivory h...

A Collection of 12 Magnifying Glasses, decorative and vintage, including example in Art Nouveau style, one with bone handle, optivameter withscale...

A collection of Magnetic Compasses, different models,20th century, in metal, glass and plastic, including two with liquid damping, reproduction pr...

Sinclair Cambridge Pocket Calculator; an original cased Sinclair Cambridge pocket calculator with L.E.D. display, in white finish, complete with P...

An Ivory Excise Officer's Slide Rule, English, c.1890, signed T O Blake Ltd London, double sided with two slides, with multiple scales for proof a...

Calculating and Drawing Instruments, planimeter by Keauffel & Esser, three slide rules, one for engineers with horsepower and Kw scales, one for s...

A Gunter's Rule, in boxwood, 1St half 19th century, unsigned, with navigation scales, scale rule, Gunter's logarithmic line and 24inch ruler, 60.9...

Calculating Instruments, Two Polar Planimeters, an unusually long example, c. 1900, signed Stanley, Agent, probably by Amsler, (missing weight, ca...

Two Sykes Hydrometers, both English, late 19th century, in mahogany cases with boxwood stringing and ivory name plaques, one by Negretti & Zambra ...

12 Ivory and Bone Handled Erasers, English, Sheffield but various retailers,19th century, including Rogers, Nowill & Sons, with three fixed blade ...

19th Century Ivory Drawing and Calculating Instruments, a folding 2ft rule by Thomas Bradburn & Sons, with nickel silver fittings and slide, with ...

Two Drawing Instrument Sets, [CITES] one c.1860, unsigned, in nickel silver, including Napier compasses, ebony parallel rule and scale rules below...

Sets of Drawing Instruments, [CITES] a set in nickel siver and ivory, by Harling case and instruments stamped and embossed GPO, another case cover...

Drawing/Drafting Instruments, a set by Riefler in chrome, a set by Ronder in nickel silver, a mechanical dotting mechanism by Richter, two further...

Drawing and Measuring Instruments, three polar planimeters, one signed J Amsler, one J Reynolds, with a good set of beam compass ends by T Cooke &...

A Large Collection of Drawing Instruments, including sets by Lee Guiness, Dietzen, Stanley, West etc and some loose instruments

A Collection of 19th Century Drawing Instruments, all in brass, cased sets, part sets etc, with a copy of The Illustrated London News, 1st April 1...

Sets of Drawing Instruments, [CITES] sets in burr walnut, mahogany and leather cases, by Stanley, Windsor & Newton, Army & Navy, John Hall Cardiff...

A Collection of Drawing Instruments, all in nickel silver, cased proportional dividers, Richter mechanical dotter, polar planimeter, precision com...

Six Sets of drawing Instruments [CITES] all cased, various makers

Drawing and Calculating Instruments, a large collection of mid-20th century instrments including slide rules

Drawing Instruments, a quantity of scale rules in boxwood, including a good set by Stanley in mahogany case, rolling rules, French curves, five bo...

Calculating, Slide Rules, 19th century, in boxwood, W Barber Bensons Buildings Leeds slide rule with brass cursor, leather case, equivalent weight...

A Large Quantity of drawing and Calculating Instruments, including rolling rules in ebony and other woods, 19th century and later, boxwood scale r...

A Collection of Ivory Drawing Instruments, including a good ebony and ivory rolling rule by Cail, Newcastle, drawing pens, tracers, prickers, dott...

A Collection of Slide Rules, a Halden Calcules in case with instructions, a circular slide rule by Fearn's Calculators, cased with instructions, a...

19th Century Hydrometers and Ivory Drawing Instruments, [CITES] a Sykes hydrometer by Wickenden & Sons, Tunbridge Wells, the mahogany case with iv...

Drawing Instruments, Three brass protractors, one by Stanley, 15.3cm diameter, one by Army & Navy Stores, divided to half a degree, one european w...

A Collection of Drawing Instruments, a Napier compass, 19th century, unsigned; a small set of instruments by Richter, cased compasses by Lotter an...

Drawing Instruments, German, mid 20th century, a pair of Proebster precision proportional dividers, with rack and pinion setting and point adjustm...

Ivory Folding Rules, 19th Century, 2ft - 4 fold ivory 'architects' rule by J Rabone & Sons, with scale rules, 2ft - 4 fold by E Preston & Sons, 1f...

Two Antique Quill Cutters and a Pen Knife, [CITES] mid 19th century, one quill cutter engraved 'T Warner Sackville St Piccadilly' the other unsign...

Victorian Ivory Rules, two-foot folding carpenter's rule, unsigned, one foot by Preston & Sons, six inch by Parkins 7 Gotto, with a set of six ivo...

A Pocket Set of Drawing Instruments and an Etui, both English, c.1820, drawing instruments in unusual mahogany and brass case, with brass scissor-...

Two 18th Century Swing-Arm Protractors etc one European,divided to half a degree, scale11.5cm diameter; one with wheat-ear engraving, with vernier...

Drawing Instruments, Two brass protractors, one circular, by Stanley, 10cm diameter; one with square, by AFM 10.2cm across; a French brass capiper...

Military, Two Sets of Marquois Scales both in boxwood, in mahogany cases, one standard set unsigned, one by Stanley, with a third, additional scal...

Drawing Instruments, An ususual set in nickel plated steel, mid 20th century, by the National Emporium, Roorkee, India, including proportional div...

Drawing Instruments, Erasers and Pen Knives etc, a good 19th century fixed blade pen knife by Harrison Bros & Howson, Sheffield , rosewood handle,...

Four Sets of Drawing Instruments, mid 20th century, German, all complete, two by Riefler

A Halden Parallel Compass, English, c.1930, cased, with a mahogany cased set of beam compass ends and two sets of spring bows, all by Stanley

A Chinese Set of Drawing Instruments etc, set with Chinese characters on lid, with beam compass ends, small proportional dividers, two road pens, ...

Three Sets of Drawing Instruments, late 19th century, one English, by Lilley & Co, pen with ivory handle, one French, signed 'E Pourchet 15 rue de...

A Pocket Set of Drawing Instruments, English, c.1800, in sharkskin case, brass instruments with wing nut adjustment, ivory sector and scale rule

Drawing Instruments, Napier compass by Stanleyc.1880-1900, in small fitted Morocco case with two drawing pens and a pricker, all screwing into an ...

Sets of Drawing Instruments, sets by Norton & Gregory, Jackson Bros Leeds, J W Bean & Son Leeds, pat set by Halden, two further sets, all with at ...

A Large Collection of Drawing Instruments, 19th and 20th centuries, in boxwood, ebony and mahoganyincluding parallel rules, rolling rules, scale r...

Four Sets of Drawing Instruments, French, c.1900, three in mahogany cases, larger set, top tray, spring bow compasses with ivory handles, with bea...

Four Sets of Drawing Instruments, A set by Reeves, Rathbone, two others unsigned, all with ivory items [CITES]

Four Sets of Drawing instruments, British, 20th century, in nickel silver, one set byThornton, one by Lee Guiness, one by Stanley, one by Harper &...

A Military Compass and Military Clinometer, English, early 20th century, compass case engraved 'Major Legh's Luminous Compass Patent No. 19600', b...

A Box Sextant by F Barker & Son Ltd, English, early 20th century, in lacquered brass and black oxidised brass, silver scale divided to half a degr...

Two Chinese Feng Shui Compasses, in stained wooden cases, plus a zodiac compass and another (4)

A Meiji EMZ-TR Binocular Microscope, A/F, requires cleaning, untested,

A Collection of Antique Magnifying Glasses, 18th,19th and 20th centuries, magnifying glasses with metal, horn and tortoiseshell frames, some foldi...

Nuremburg Magnifying Glasses etc., two Nuremberg style magnifyers, probably German 18th century, with a further empty frame; two further magnifyin...

A Large Classic London Model Beck Microscope, English, c.1930, signed 'Beck London, London Model', with Beck vertical illuminator, and interchange...

Four Microphotograph Microscope Slides, English, late 19th century, two by John Benjamin Dancer, no. 63 ' 'Prince Alfred and Princess Helena 1849,...

A Vintage Beech Cased Set of Microscope Slides, including subjects as 'Clasper of a Silkworm', 'Gizzard of a Mole Cricket', and 'Hair of a Kangaro...

A Day & Night Brass and Wood Four Draw Telescope, with objective lens hood, the first draw marked 'Day & Night', on brass and iron stand. 88.5 cm ...