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Slide Rule Is A No Power Computer Editorial Photo

Title

Slide rule is a no power computer #237912393

Description

Slide rule is a no power computer and was a popular tool for people in the scientific world back in the 1950s and 60s. An instruction book is shown with this vintage item. The item was invented in the mid-19th century. useful for mathematics and trigonometry.

This image is editorial

$Slide rule is a no power computer and was a popular tool for people in the scientific world back in the 1950s and \'60s. An$