Margin for Error

From Author Wars - https://authorwars.com/books/margin-for-error-854714.html

Overview:

Title: Margin for Error
Author: Lester Elliot
Year: 1947
Type: Interior Art

Editions/Publications:

Unknown. Astounding Science Fiction, November 1947 (Unknown, Lester Elliot, Street & Smith Publications, Inc., $0.25, 164 pages, digest, MAGAZINE)