The talkies (1930)

Record Details:

Title:
The talkies
Date:
1930
Publisher:
London: Crosby Lockwood and Son
Volume:
The talkies
Leaf #:
00039
Language:
English
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 29, 2024
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THET ALKIES I 3 ments. In vain he examined every portion of his machine to trace the cause of these eerie signals from nowhere, and it was only by chance that he noticed that when he moved his hand in the air the needles nodded back to him. He walked over every inch of the room moving his hand slowly this way and that, until he found that it was when the shadow of his hand passed over certain portions of his apparatus that the mysterious movements began again. He moved closer and closer to the table until he was able to identify the piece of apparatus that was behaving in so peculiar a manner; it was comprised of some electrical resistances made of selenium, known then only for its highly resistive qualities. May immediately communicated with his Chief, Professor Willoughby Smith, whose paper on the subject aroused the whole scientific world. It was, however, Alexander Graham Bell, the inventor of the telephone, who first demonstrated the possibility of using light in the service of sound; the story of his experiment has come down to us as a graphic little anecdote which is unforgettable. Bell's idea was to mount a mirror on the diaphragm of one of his telephones and cause the vibrations of his voice to flicker a ray