Galactic Gadgeteers

From Author Wars - https://authorwars.com/books/galactic-gadgeteers-190337.html

Overview:

Title: Galactic Gadgeteers
Author: Harry Stine
Year: 1951
Type: Short Fiction

Editions/Publications:

Unknown. Astounding Science Fiction, May 1951 (Unknown, Harry Stine, Street & Smith Publications, Inc., $0.25, 164 pages, digest, MAGAZINE)
Unknown. Astounding Science Fiction, April 1952 (Unknown, Harry Stine, Atlas Publishing and Distribution Co. Ltd, 1/-, 64 pages, pulp, MAGAZINE)