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

National Museum of American History Family Guide: 9 Tips to Know

Smithsonian's National Museum of American History, Washington

File:National Museum of American History.jpg - Wikimedia Commons

Smithsonian National Museum of American History : Washington DC

National Museum of American History — Museum Review

National Museum of African American History and Culture - African

National Museum of American History

National Museum of American History - History and Facts

Smithsonian National Museum of American History - Cinnabar

National Museum of American History (Smithsonian): The District

Historians and History Museums, Perspectives on History

Smithsonian National Museum of American History Renovation by SOM