[78-L] early days of KPRC

[David Breneman]

 From: Mark D Mobile <Mark4 at durenberger.com>


> Those are RCA turntables and the arm has a 3-mil cartridge,
> which makes it pre-1947 or so...unless all they used the
> 'tables for was to play 3-mil-cut commercials.

A tremendous amount of audio that went to air would be in
the form of production music and sound effects libraries,
all of which would be on either 16" transcription disks
or 10" 78s.