National Museum of American History

This paper sheet gives “simplified instructions” for using an adder called the Magic Brain Calculator for addition, description, multiplication, and as an aid in division. It was received with adder 1987.0575.01.Currently not on view

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Smithsonian National Museum of American History Renovation by SOM

National Museum of American History Public…

The entrance to the Smithsonian Institution, National Museum of

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National Museum of American History - Wikipedia

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National Museum of American History

National Museum of American History - Wikipedia

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Smithsonian Institution, National Museum of American History

Smithsonian National Museum of American History : Washington DC

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National Museum of American History in Washington DC - Discover