The Library of Congress has a large collection of 33 1/3 rpm large platters that were made for the military for broadcast to the troops on Armed Forces Radio. Pretty sure they were 33 1/3. Off to Wikipedia now...
On Dec 31, 2010, at 09:31 , John Sessoms wrote: > From: "John Mullan" > >> Who remembers transcription disks? Radio shows were distributed to the >> radio stations on large diameter 78 RPM records. That was the reason for >> the "island" turntables in radio studios, to allow overhang of the large >> disks. They eventually went to phone line networks. Early television was >> distributed over the phone line. The T1 line was designed to carry one >> television signal. > > I don't "remember" them - at least not as 78s - but I know what they were. > > When I encountered them years later they had migrated to using standard size > 33-1/3 rpm LP records. Joseph McAllister Lots of gear, not much time http://gallery.me.com/jomac -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

