Smithsonian Institution ______________________ Asset Name: media:NASM-NASM2014-04773 File Usage: CC0 This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's Terms of Use page at https://www.si.edu/Termsofuse ______________________ Object details: Object Name: Receiver, Radio Range, ARC, Lab Prototype, Model B Smithsonian Record ID: edanmdm:nasm_A19840545000 Object Name Receiver, Radio Range, ARC, Lab Prototype, Model B Metadata Usage CC0 Guid http://n2t.net/ark:/65665/nv99dbf9b72-19fd-4ab4-bfde-08682a47d8ce Data Source National Air and Space Museum Manufacturer Aircraft Radio Corp. Materials Steel, Paint, Plastic, Phenolic Resin, Aluminum Dimensions 3-D: 15.2 x 39.4 x 19.1cm, 5.1kg (6 x 15 1/2 x 7 1/2 in., 11 3/16lb.) Physical Description 33.2cm long, 14.3cm wide, 16.6cm high; 280-360kc; c.1928; grey; for blind flight. Summary Jimmy Doolittle used this radio receiver to “fly the beam,” which was a radio signal that actuated a vibrating reed to indicate if he was on course. The American Radio Corporation built the device in 1929. Country of Origin United States of America Credit Line Gift of Cessna Aircraft Company Inventory Number A19840545000 Date 1929 Type AVIONICS-Electronic/Satellite Navigation ______________________