New York. Experimenter Publications. 07- 1929.
July 1929 issue of the magazine, numerous black and white illustrations, 94 pages, 11 1/2 x 8 1/2 inches, color pictorial wrappers. Very good condition: light wear to extremities. Color cover illustration of propeller plane, The Virginia, of the Byrd Antarctic Expedition, in the snow with the aurora borealis in background. Interesting articles include: "The Trade Broadcasts: New Equipment and Manufacturing Trends", "How Radio Serves Aviation Abroad", "How to Build the Taylor Band Isolator", and a 2 page montage "The Story of Our Cover for This Month. A Stirring Antarctic Rescue, as told in Newspaper Headlines" Item #38317