Note
QST, Jan 1958, p. 163.
QST, Feb 1958, p. 153. (specs)
QST, May 1959, p. 161.(info)
Capable of transceive or split operation. See:
CQ, Aug 1958, p. 17
The chief difference between the Cosmophone 35 and Cosmophone 50 was the “50” silk-screened on the front panel of the latter.