 |
| Percy Greg: Science Fiction Technology and Ideas |
| Percy Greg (1836-1889) was an English writer; he was mostly concerned with politics. |
| Invention/Technology | Source Work (Publication Date) |
|
Apergy (Apergion) - antigravity substance |
Across the Zodiac (1880) |
|
Astronaut (Ship) |
Across the Zodiac (1880) |
|
Martian City |
Across the Zodiac (1880) |
|
Trip to Mars |
Across the Zodiac (1880) |
(Records 1 to 4 of 4)
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