The view master was first introduced at the New York World's Fair (1939-1940.) Made by Sawyer's Photo Services, the device showed stereoscopic three-dimensional pictures. Originally intended as an ...

Colored print of Cornwallis handing his sword to Washington. The American troops stand on the left, the British on the right. The French fleet and the wall of the fort at Yorktown are in the ...

See more items in: Warshaw Collection of Business Americana Subject Categories: Civil War, Warshaw Collection of Business Americana Subject Categories: Civil War / Government Records, Business Records ...

Informal institutions and activities not actually spelled out in the Constitution help make America’s participatory political system possible. State and national parties, nomination and ratification ...

In the early years of the Republic, arithmetic was generally taught to teenaged boys planning careers in commerce, often by private tutors. With the advent of free common or elementary schools ...

Hydrogen Maser of Norman Ramsey. Object ID 1980.0594.01; height 192 cm (75 1/2 in) x width 312 cm (123 in) x depth 122 cm (48 in). This object consists of an assembly of a glass hydrogen dissociator ...

Obverse Image: Two Diakoku symbols at centre, four Ho characters, and an era mark top and bottom..

This Figured and Fancy coverlet features a centerfield design based on the “Double Lily” pattern but accentuated with double lotus and “Liberty,” shielded eagle motifs. There are borders along all ...

U.S. Army Signal Corps Female Telephone Operator "Hello Girl" uniform, World War I. The uniform consists of a coat, skirt, and overseas cap, each made of navy blue wool. The coat has several patches ...

Collection Creator: Mergenthaler Linotype Co. See more items in: Mergenthaler Linotype Company Records, Mergenthaler Linotype Company Records / Series 3: Typeface Materials / 3.1: Typefaces ...