John Keely's Perpetual Motion Machine
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Overview:
- Title: John Keely's Perpetual Motion Machine
- Author: Robert Silverberg
- Year: 1965
- Type: Essays
- Series: Scientific Hoaxes (Amazing Stories)
Variant Titles:
Editions/Publications:
- Unknown. Amazing Stories, August 1965 (Unknown, Robert Silverberg, Ultimate Publishing Co., Inc., $0.50, 164 pages, digest, MAGAZINE)