Rotary Multiplication Table
Title
Rotary Multiplication Table
Description
Rotary dial used to solve simple multiplication problems. In each tiny circular window that appear as a spiraled series, the product of the two aligned numbers around the outside of dial appear.
Date
Nineteenth century.
Type
Physical object
Source
American Antiquarian Society
Language
English
Rights
held at American Antiquarian Society collections
Files
Collection
Citation
“Rotary Multiplication Table,” Santa Clara University Digital Exhibits, accessed November 22, 2024, https://dh.scu.edu/exhibits/items/show/693.
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