Primary Source
Light Through The Ages
Electric Lighting Inquiry Unit
Promotional literature for the Westinghouse Electric Co. Download PDF Visit Source…
Learn moreFilter Results
Primary Source
Inventor Lewis Latimer Biography and Patent
Electric Lighting Inquiry Unit
"Lewis Howard Latimer (1848-1928)...attended only grade school, and the remainder of his education was self-taught...He had a fabulous appetite for reading, drawing, and learning in general. In 1880, …
Learn more
Primary Source
Portrait of Hertha Marks Ayrton
Electric Lighting Inquiry Unit
Hertha Marks Ayrton was a British engineer, mathematician, physicist and inventor. She was the first woman elected member of The Institution of Electrical Engineers (London) 1899, the first woman to r…
Learn more
Multimedia
A Pre-History of Radio (Part One)
Radio Inquiry Unit
Join historian Alex Magoun on a journey through the history of radio technology from James Clark Maxwell’s theory of electromagnetism to Guglielmo Marconi's use of that theory in long-distance radio…
Learn more
Multimedia
A Pre-History of Radio (Part Two)
Radio Inquiry Unit
Continue on the historical journey of the radio industry with historian Alex Magoun as he goes back in time and shares how engineers and scientists improved wireless telegraphy from Morse code to the …
Learn more
Multimedia
1920’s Frequency “Tune-In” and In-Home Entertainment
Radio Inquiry Unit
Listen in as radio expert Al Klase of the New Jersey Antique Radio Club explains the effects radio had on society and culture in the 1920s and watch as he demonstrates and tunes in a station on an aut…
Learn more
Primary Source
President Franklin Roosevelt’s Fireside Chats
Radio Inquiry Unit
Radio Inquiry Unit - Supporting Question 4 Photo: FDR [Franklin Delano Roosevelt] FIRESIDE CHAT https://www.loc.gov/item/2016883684/ Accessed: 12 June 2017 “While developing programs to help…
Learn more
Primary Source
David Sarnoff Diary Entry, 3/26/1911
Radio Inquiry Unit
Radio Inquiry Unit - Supporting Question 2C "Page from David Sarnoff’s diary on board the Job Brothers’ sealhunting ship, the Beothic, in which he describes his relaying the dialogue between th…
Learn more
Primary Source
Biography of David Sarnoff
Radio Inquiry Unit
IEEE Biography of David Sarnoff Radio Inquiry Unit "Sarnoff was born on 27 February 1891, the oldest of five children, outside Minsk in imperial Russia. He and his family immigrated to the Unite…
Learn more
Primary Source
Photographs of David Sarnoff
Radio Inquiry Unit - Supporting Question 2
Radio Inquiry Unit - Supporting Question 2 David Sarnoff began his career at the Marconi Wireless Telegraph Company of America as an office boy in 1906. He went on to become a trailblazer in the ra…
Learn more