Note
QST, Feb 1946, inside front cover.
Complete specs: QST Mar 1946, page 131.
Radio Craft, Apr 1946, back cover.
QST, Feb 1950, p. 79.
CQ, Feb 1967, p. 97. (These must be NOS)
This is the postwar version of Panoramic's "Panoramoscope."
References
Brief description. Radio News, Jul 1946, p. 78.