Note
QST, Oct 1933, p. 83 (reference only - Byrd will use in Antarctica)
Radio Craft, Nov 1933, inside back cover.
Radio News, Dec 1933, p. 323. (Masterpiece IIs -- does this mean plural, or special?)
References
Technical description, part 1. Radio Craft, Nov 1933, p. 276.
Technical description, part 2. Radio Craft, Dec 1933, p. 346.
Technical description. Radio News, Nov 1933, p. 287.
Review. Radio News, Jan 1934, p. 416.
Brief description. Radio News, Apr 1934, p. 609.
Brief description. Radio News, Jul 1934, p. 27.
