Description: When curators at the Smithsonian National Museum of American History looked at seven radiometers in storage, they learned the instruments had been at the Smithsonian for nearly one hundred fifty years.
Description: Planning a museum or gallery exhibition takes a lot of work as seen through exhibition records that contain images, layouts, object labels, memos, and other important materials.
Showing results 349 - 360 of 802 for National Museum of History and Technology (U.S.). Hall of Everyday Life in the American Past