Private Collection of Scientific instruments Auction (to be sold without reserve)- 26 August 2021

Faber Castell slide rule 2/83N, together with a Aristo slide rule, Andy-Square Armstrong Scale and a Blundell Log Log 602, (4)

Dring & Fage, boxwood and brass capped slide rule with inscribed "Dring & Fage, Makers Tooley St, London ...[more]

Farrow & Jackson London, folding rule with Firkin & Kilderkin measurements, 21cm long when closed  ...[more]

Negretti & Zambra pocket barometer / weather forecaster ...[more]

19th Century Sovereign Scales, improved patent portable balance in original box ...[more]

Early 20th Century British pocket stopwatch, swiss made by Venner Limited, no.15269, type A.40, 6cm diameter ...[more]

Hall Harding Ltd Rulalipse, boxed

Slide rules, to include all metal slide rule by Pickett, another two by Pickett, Nestler slide rule and a Tarquin slide rule, (5)

Vickers military slide rule, .303 Vickers M.G. for Mk VII AMMN

James Gargory 19th Century ivory rule, with two lines of measurements for Feet, 16cm long  ...[more]

19th Century ivory folding rule, 15.5cm long  ...[more]

Arithma Addiator, made in Germany  ...[more]

u#Unusual 4" boxwood and brass buyers gauge by N Preston & Sons, Galloons, Velvet (France) Dutch and Imperial Tapes etc ...[more]

Collection of steel rules, to include Rabone, Moore & Wright, RAW Co, Panda, Chesterman's and another, (6) ...[more]

Produx Calculator, Original MA, with instructions and wallet

Exactus Mini Add

19th Century ivory folding rule, Miller Richard Edinburgh London

Slide rules, to include Pickett, Aristo slide rule x 2, British Thornton and Nestler, (5) ...[more]

Collections or rulers, to include Native Timbers of New Zealand, Cary London K M Papworth, a specimen wood example, The Times and E.C. Parkes 14 N...

Collection of slide rules, to include Kugelfischer, Blundell, Castell, Faber Castell, Helix and Aristo, etc, (8)

Calculator, 1A PO, 2A, 3A and 4A, (4)

Decimal Currency Calculator, Talbot Stead advertising example, Plasticisers, Sillcocks Miller Company, Caterpillar and Sun Engraving, (6)

Slide rules, to include Blundell, Pickett, Diva, Simplon, etc, (10)

Slide rules, to include Pickett, Readymix Advertising example, Aristo, Esso, Blundell, Nestler, etc, (8)

Slide rules, to include Aristo, Hemmi, Unique, Castell and Faber Castell, (5)

Tamaya & Co Japanese boxed rule  ...[more]

Rules, to include an Aristo 869 Studiolog, Faber Castell, Unique Log Log, Aristo, W H Smith and Blundell, (7)

The Gripalculator, together with Shure Reactance Slide Rule, Addmaster pocket calculator, Unique Log Log slide rule, Jakar slide rule No 511, Blun...

Slide rules, to include Pickett, Concrete volume computer, Arisito, Bruning, Unique Log Log, etc, (9)

Watkin Clinometer, 1901, No 922, made by J. Hicks & Son Ltd London ...[more]

Mahogany specimen/collectors cabinet, with 12 drawers, 48cm wide, 66cm high

Davon Patent Micro Telescope & Super Microscope, by F. Davidson & Co., on folding metal tripod stand, with fittings housed within the original lea...

Collection of rules, booklets and other objects, (qty)

School clock, with a Smiths driven motor, clock and day dials, cased, 45cm wide

Otis King spiral slide rule calculator ...[more]

Cased set of F McC rules, Engine Divided, Set No 1, cased  ...[more]

Interlox rule, by Master Slide Rule

Aristo Aviat flight Computer, Dennert & Pape Hamburg ...[more]

Rabone braille folding ruler, together with another folding example, a slide rule a and a New Zealand ruler with images of native animals, (4)  ....

Victorian novelty silver-mounted ivory folding ruler pencil, by S. Mordan and Co, circa 1850, with a slide-action pencil and penknife, engraved to...

Otis King Spiral slide rule calculator  ...[more]

W & T Jackson Egg Grading Machine, The corporation of the City of Aberdeen, boxed  ...[more]

Drapery - an early 20th century brass cloth measure, by J. Casartelli & Son, Manchester, adjustable eyepiece, screw-thread mechanism ...[more]

Dietzgen projection slide rule, 1789-34, boxed

Early 20th century Duplex technical drawing/draughtsman's ruler, the twin rollers enclosed in black metal case ...[more]

Allbrit Planimeter, numbered 000097, boxed

Heuer chrome Microsplit stop watch ...[more]

Dollond pocket barometer, with silvered dial, gilt brass case and housed within the leather case

Routledge engineer's slide rule, boxwood, 31cm long  ...[more]

World War I 1916 dated APP OBS off fire slide rule MKVI made by J Nicholl & Co London ...[more]

Facit accounting machine, together with a Madas and an IME 86 S, (3)

Otis King Spiral slide rule calculator  ...[more]

Slide rules, to include Load Adjuster, Hope, A.W. Faber, Jakar and British Thornton, (14)

Slide rules, to include Faber Castell, A.W. Faber, Jakar and British Thornton, (11) ...[more]

Slide rules, to include Pickett, A.W. Faber, Aristo Simplex and British Thornton, (14) ...[more]

World War II Vernier caliper by NSF, with Air Ministry AM and dated 1943 and numbered 1A/2736, in the original case  ...[more]

Late 19th/early 20th century handheld travelling barometer; the dial marked 'Compensated' leather cased  ...[more]

World War I military brass sextant inscribed 'H. Hughes & Son Ltd No.5500, dated 1918', diameter 7cm, depth 3.7cm, the leather case inscribed Maso...

P Roch gauge, with Air Ministry AM and dated 1939 and numbered AIS 13/234, supplied by Findley & Co, in the original case

World War II Air Ministry issued Type P4A compass, No.43687T T., complete with fitted box and stamped for 1935, 1937, 1941 AND 1944 ...[more]