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| Harl Vincent: Science Fiction Technology and Ideas |
| Harl Vincent (b. 1893– d. 1968) was the pen name of Harold Vincent Schoepflin, an American mechanical engineer and science fiction writer. Most of his stories were short works; The Doomsday Planet was the only work published as a novel.
 (Harl Vincent)
|
| Invention/Technology | Source Work (Publication Date) |
|
Self-Aware Robot |
Rex (1934) |
|
Silica Sphere (Dyson sphere) |
Lost City of Mars (1934) |
|
Sol-Ido |
Water-Bound World (1932) |
|
Time-Space Television |
Water-Bound World (1932) |
|
Ultra-Telescope Ray |
The Moon Weed (1931) |
|
Videophone |
The Golden Girl of Munan (1928) |
| First | Previous |
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