General Cameras & Scientific Instruments

Century of the Atom, told through the voices of the scientists who created the nuclear age, 2 LP's and book, presented by the United States Delega...

Thirteen Books on the Slide Rule, including Introduction by Isaac Asimov, Hoare, Pickworth etc.

Sixteen Slide Rule books and booklets, including The Use and Working of the Watch Calculator, Instructions for Faber's Improved Calculating Rule, ...

Eighteen Small Slide rules, including K&E Decilon, Hemmi Versalog, Picket all metal Log Log speed rule,

Three Slide Rules, Goldings Horse Power Computer, RK Steel and Weight Scale and a scratch-built hand divided wooden slide rule

Eight Mechanical Pocket Calculators, sterling, Adimult, Arithma (gold & silver versions), Kingston, Magic Brain, Kalkometer and unsigned

Three Slide Rules, large Halden Calculex (glass broken), Otis King K, early Otis white on black, two booklets for calculex

Twenty Four Circular Slide Rules and Calculators, in card and plastic, mostly technical and engineering, with 6 sliding card calculators, nearly a...

6 Slide Rules in Leather cases, including Unique Electrical, Post Versalog, K&E 4054, Picket Model 4 Vector Hyperbolic Log Log, Aristo Multilog, K...

A Large Brass Circular Protractor, Signer H H LD with broad arrow, divided to 10 arc-minutes 30.4 cm diameter, in mahogany case, with a cased cell...

An Amsler Planimeter Model 2, with a collection of scale rules and protractors

Fifteen Slide Rules, British Thornton AD 050 cased with instructions, Emblem TS cased with instructions, 7 wood and celluloid various makers, and ...

Circular Slide Rules and Calculators, mear's Central heating Calculator, Fearns' Boards Count Calculator, Sigmund heating Engineer's Calculator, b...

Eighteen Cased Slide Rules, including Faber-Castell , Sun Hemmi, Pickett, Keuffel &Esser etc.

Seventeen Slide Rules, including 2 by Keuffel &Esser in leather cases, and 9 by Sterling apparently new unsold stock from 1970's ...[more]

Twenty Slide Rules, all cased, makers include Jakar, Classic, Barrows (Caterers and Confectioners Rule), Aristo, Faber Castell, Supreme, Unique, R...

Thirty Two Slide Rules and Calculators, mostly card, mostly American engineering and technical

Electronic Calculators, a Compucorp Microcomputer, Sharp Compet CS1122, Singer Friden EC1118, Texas Instruments TI 59, 6 later pocket calculators

Two Early Toshiba Laptops, small screen T4700CT, and a Tecra 8000 complete with external floppy disc drive

A Precision Aneroid Barometer, a Theodolite and a Reflecting Galvanometer, barometer by Negretti & Zambra, in mahogany case, Theodolite by Carl Ze...

A Transit Theodolite by W Ottway, with 5 inch horizontal circle and 4 inch vertical, in mahogany case with plumb bob

A Binocular Periscope, by Huet, Paris, 8 x 24

A Good Pair of ASZT Donkey-ear Periscope Binoculars, 10 x 45, Eastern European, complete in carry case with accessories and original tripod. ...[...

A Stereoview Collection, approximately 300 card stereoviews, mostly topographical and Victorian genre scenes,includes Boer war scenes and a few gl...

A Cambridge Instruments Galvanometer and other instruments,2 Avometers and a Cambridge Decade Bridge