 |
| William Callahan: Science Fiction Technology and Ideas |
| Pseudonym for Raymond Z. Gallun. |
| Invention/Technology | Source Work (Publication Date) |
|
Corrosite Gas |
The Machine That Thought (1939) |
|
Synthetic Intellect |
The Machine That Thought (1939) |
(Records 1 to 2 of 2)
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