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Cartoon: "While you were unconscious from that fall, Professor Purley, we discovered a perfect vacuum, and guess where we found it!"

R. Newman

First published 1942
Type Interior Art

Date Publication Publisher Type Page
1942 Cover Fantastic Adventures Quarterly, Fall 1942 Ziff-Davis Publishing Company MAGAZINE 6
February 1942 Cover Fantastic Adventures, February 1942 Ziff-Davis Publishing Company MAGAZINE 6
July 2014 Cover Fantastic Adventures, February 1942 Pulp Tales Press Anthology 6