Postwar American Television
Philco 48-2500
(1948 - 4 inch projection tube)
Philco's only projection set. Unlike all the other projection sets of the time, it used a custom-designed 4 inch CRT.
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Courtesy of Duke University Libraries Ad*Access
This disclosure, dated January 1944, may be for the optics systems used in the 48-2500:
Courtesy of Chuck Azzalina