William_Eccles_(1925).jpg
No higher resolution available.
Summary
| Description |
English:
Original caption: "WILLIAM H. ECCLES: Demonstrating at a lecture at the Imperial College of Science in London a circuit on which he has spent much time, which is to bring about a new method of wireless communication. The sending apparatus produces easily recognizable musical chords at the receiving station. The most common chords would be assigned to the vowel sounds. Dr. Eccles is Professor of Applied Physics and Electrical Engineering at the London Technical College and a well-known authority on radio."
|
| Date | |
| Source | Photograph that appeared on page 228 of the June 1925 issue of Radio Broadcast magazine |
| Author | Uncredited |
Licensing
|
This work is in the
public domain
in the
United States
because it was
published
(or registered with the
U.S. Copyright Office
) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file
must
have an additional
copyright tag
indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |