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A Thermal Telephone Transmitter

โœ Scribed by George Forbes


Book ID
124501292
Publisher
The Royal Society
Year
1887
Weight
190 KB
Volume
42
Category
Article
ISSN
0365-0855

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๐Ÿ“œ SIMILAR VOLUMES


A TELEPHONIC TIME-TRANSMITTER
โœ HARRINGTON, M. W. ๐Ÿ“‚ Article ๐Ÿ“… 1883 ๐Ÿ› American Association for the Advancement of Scienc ๐ŸŒ English โš– 123 KB
New telephone transmitters
โœ Munro, J. ๐Ÿ“‚ Article ๐Ÿ“… 1883 ๐Ÿ› Institution of Electrical Engineers โš– 913 KB
New telephonic transmitter
๐Ÿ“‚ Article ๐Ÿ“… 1878 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 54 KB

Trouvg has invented a cylindrical microphone, which resembles a small dark-lantern, with a carbon crayon substituted for the candle. When placed in the middle of a room, it reveals all secrets. It transmits the voice admirably to a receiving telephone, even when the speaker stands 25 metres (82 ft.)