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"I believe in limited government, and the 20th century has been the century of government. The data is uniform. The government has failed at every single task it has set out to do, with the exception of waging war."
- Bart Kosko
 |
| Ultraphone Ear-Disc | ||
| Wireless receivers that fit directly over the ears; they also offered noise reduction. |
| These ultraphones were quite different from the one used by Wilma's companion scout the day I saved her from the attack of the bandit Gang. That one was contained entirely in a small pocket case. These, with which we were now equipped, consisted of a pair of ear discs, each a separate and self-contained receiving set They slipped into little pockets over our ears in the fabric helmets we wore, and shut out virtually all extraneous sounds... |
| Technovelgy from Armageddon: 2419 A.D.,
by Philip Frances Nowlan. Published by Amazing Stories in 1928 Additional resources -
|
I thought this was an interesting idea. First, the receivers were actually a separate piece from the sending device (see Chest Disc, which also offered a voice-activation feature); this is probably a good way to do it if you don't want to run inconvenient wires from the earpiece to the device used for speaking.
Second, it appeared that the device offered noise-reduction or filtration; if so, this is a very early use of that idea.
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