1960s Manual Pocket Calculator

This great little vintage pocket calculator is from the 1960s before electronic calculators became more compact and affordable. Does addition,

The calculator

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VINTAGE SHARP SCIENTIFIC EL-509A POCKET CALCULATOR WITH MANUAL WORKS

National Museum of American History

manual calculator

Raċanċ - Here's a very primitive calculator from the 1960s / 1970s. The Addiator Universal, one of the most popular calculators of this sort is composed of sheet-metal sliders inside a metal

Monroe calculator 1960 - electric but also with manual devices such as an exposed operating crank and …

Calculator - try - Calculator From Wikipedia, the free encyclopedia Jump to navigation Jump to - Studocu

The HP 65 Programmable Pocket Calculator - HP History

Mac's Service Shop: A Versatile Pocket Calculator, May 1972 Popular Electronics - RF Cafe

biografía Aviación En honor manual calculator Deshonestidad usuario Guiño

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File:Vintage Rockwell Scientific Slide Rule Electronic Pocket Calculator, Model 63R, Rechargeable Battery & AC Adapter, Assembled In Mexico, Circa 1975 (39863857230).jpg - Wikimedia Commons