File:Bell's October 1873 experiments using a liquid transmitter.jpg
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Summary
In October, 1873, Bell began experiments at 292 Essex Street in Boston using vibrating reeds (R) set in motion by speaking into the mouthpiece or orifice (O). A platinum wire (P) attached to the reed (R) dipped into a cup of liquid -- in this case, mercury (M). the round mouthpiece that Bell spoke into was made of gutta percha (gg). The drawing is in the Library of Congress.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:13, 12 January 2017 | | 300 × 300 (10 KB) | 127.0.0.1 (talk) | In October, 1873, Bell began experiments at 292 Essex Street in Boston using vibrating reeds (R) set in motion by speaking into the mouthpiece or orifice (O). A platinum wire (P) attached to the reed (R) dipped into a cup of liquid -- in this case, mercury (M). the round mouthpiece that Bell spoke into was made of gutta percha (gg). The drawing is in the Library of Congress. |
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