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Rotating Multiplication Table
CC0 · no rights reserved

Rotating Multiplication Table

1814 · wood (overall material)

From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.

About this work

This device is a rotating multiplication table, probably intended as a currency converter.

National Museum of American History’s own description
Subjects
Tables (documents)Medicine and Science: Mathematics
Credit lineRotating Multiplication Table. 1814. National Museum of American History, Gift of Dr. and Mrs. Arthur M. Greenwood. CC0.
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