Ernst Alexanderson (1920)

Autor:

None listed

Credit:

Photograph included with the article "The March of Science", on page 266.of the May 1920 issue of The New York Times Current History magazine

Krótki link:

https://plwiki.pl/b/ffc7f

źródło:

Wikimedia Commons

Wymiary:

314 x 442 Pixel (56462 Bytes)

Opis:

In 1920 Ernst Alexanderson was the Chief Engineer of the Radio Corporation of America. He is best known for the development of the Alexanderson Alternator radio transmitter.

Licencja:

Public domain