Mechanical Calculator

Mechanical Calculator

T404/0149 Rights Managed

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Credit: EDWARD KINSMAN/SCIENCE PHOTO LIBRARY

Caption: The Curta calculator type II was an advanced mechanical calculator. Using gears and springs, this calculator was able to multiply and divide to 15 decimal places. The Curta company introduced these calculators in 1948. They were discontinued in 1972.

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Keywords: antique, calculating, calculator, computer, computing history, curta, division, engineering, gears, historical, math, mathematics, mechanical, multiplication, technology

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