Broad Band

From Author Wars - https://authorwars.com/books/broad-band-193461.html

Overview:

Title: Broad Band
Author: J. J. Coupling
Year: 1947
Type: Essays

Editions/Publications:

Unknown. Astounding Science Fiction, August 1947 (Unknown, J. J. Coupling, Street & Smith Publications, Inc., $0.25, 164 pages, digest, MAGAZINE)