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

A visitor's observations on the National Museum of African

The Smithsonian National Museum of American History Semi

How the National Museum of African American History and Culture

Explore Who We Are at the National Museum of American History

17 Awesome Things to See at the National Museum of American

Smithsonian National Museum of American History Renovation by SOM

National Museum of American History

Smithsonian's National Museum of American History, Washington

National Museum of African American History and Culture to welcome

National Museum of American History in Washington DC - Discover

National Museum of American History Public…

National Museum of American History

NATIONAL MUSEUM OF AMERICAN HISTORY - 3385 Photos & 724 Reviews

National Museum of American History in Washington DC - Discover