1960s Manual Pocket Calculator

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

Addiators A Collection of Mechanical Calculators

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Vintage 1960s Fedtro Precision Manual Pocket Calculator

Teardown With A Twist: 1975 Sinclair Scientific Calculator

For Sale - Vintage Asian Art Instruments from Antique Goodies - In excellent condition in original vinyl sleeve with stylus and instruction leaflet.

MBC Brand Pocket Calculator - Japan Circa 1960 For Sale on Ruby Lane

930 Early Calculators Stock Photos, High-Res Pictures, and Images - Getty Images

Vintage Mechanical Calculator

National Museum of American History

Why is the pocket calculator a significant invention? - Quora

1960s Kingson Magic Pocket Calculator

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Baby Calculator Company, est. 1923 - Made-in-Chicago Museum