The best billiard balls once came exclusively from the tusks of Asian elephants. No natural material other than elephant ivory had the physical size, strength, and beauty to perform in the billiard ...

Herbert L. Andrews from Chicago, Illinois, received a U.S. patent for an improved school desk. Patent no. 82061 was issued on September 15, 1868. This desk improvement is deliberately missing its wood ...

This exhibition chronicled the history of the United States Military Academy at West Point and the role of its graduates in exploring, building, and defending the nation. The website for this ...

This model was filed with the application to the U.S. Patent Office for Patent Number 20,894 issued to Charles T. Porter of New York, New York on July 13, 1858. The patent was for an improvement in ...

"Electricity is a modern necessity of life." (Franklin Roosevelt, at Rural Electrification Administration celebration, 1938) Edison's statement indicated his pleasure upon opening the Pearl Street ...

Nineteenth-century Plains Indian drawings have often been called “ledger” drawings because they were made with pencil, ink, and watercolor on pages of old ledger or account books. When young Plains ...