The Gravity King
From Author Wars - https://authorwars.com/books/the-gravity-king-2358842.html
Overview:
- Title: The Gravity King
- Author: Frank R. Paul
- Year: 1922
- Type: Interior Art
Editions/Publications:
- Unknown. Science and Invention, April 1922 (Unknown, Frank R. Paul, Experimenter Publishing Company, $0.25, 108 pages, quarto, MAGAZINE)