Note
QST, Jun 1953, inside back cover.
QST, Jul 1953, inside back cover.
QST, Apr 1956, inside back cover. ("new low price" - $99.95)
See notes from National: QST, Jan 1954, p. 73.
Allied Radio catalog 1955 (copyright 1954), p. 188.
Allied Radio catalog 1956 (copyright 1955), p. 194.
Allied Radio catalog 1957 (copyright 1956), p. 242.
The NC-88 "World Master" receiver covered 0.54-40 MHz with calibrated band spread for the 80, 40, 20, and 10 meter amateur bands. The nine-tube set had two high-fidelity audio stages and a phono input.
References
Review. Radio News, Mar 1954, p. 67.
