Curated OER
Black Inventor Online Museum: Andrew Beard
A short biography of Andrew Beard, whose invention improved the safety of railroads in the 19th century.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Count Rumford
Sir Benjamin Thompson, Count Rumford (26 March 1753 - 21 August 1814) was an Anglo-American physicist and inventor whose challenges to established physical theory were part of the 19th century revolution in thermodynamics.