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Computer, Pocket, HP21

Hand held calculator Hewlett Packard Model 21 S/N 1607S19611.

Computer, Pocket, HP35

The HP-35, Hewlett Packard’s first pocket calculator, was introduced in 1972.

Computer, Pocket, Monroe 324G

Computer, Monroe 324G, s/n 5313747, approximately 23 cm (l) X 14 cm (w) X 7...

Computer, Pocket, Monroe 324

Calculator, Monroe 324 (s/n 5312849), charger pack and adapter with cables, three instruction books, all...

Computer, Pocket HP41CX

Hand held computer Hewlett Packard Model 41CX S/N 2851S22388.

Computer, Pocket HP33E

The HP-33E and HP-33C were the basic scientific programmable members of the 30 series. The...

Calculator Manual, Lightning

Made by The Lighting Calculator Co. and produced from 1922 to WW2 in Grand Rapids...

Calculator Manual, Brunsviga

Brunsviga-Rechenmachine Dopple 132 Manufactored in Brunsviga Maschinenwerte A.G. Braunschweig

Theodolite, Cooke, Troughton & Simms ALSA 2006.20.01

s/n V012065 Theodolite with carrying case: COOK, TROUGHTON & SIMMS, LTD. YORK. ENGLAND. V012065 A...

Computers, Pocket

In the early 1970s, “handheld” or “pocket” calculators and computers were introduced. They were small...