11-09-2016, 05:25 PM
Hi Wilbur 
It could be either a microphone or a speaker, really.
These were used with Philco Beam of Light radio-phonographs that had the record cutter attachment as a microphone.
They were also used with Philcophone intercoms of the same period as a combination microphone and speaker.
It could be either a microphone or a speaker, really.
These were used with Philco Beam of Light radio-phonographs that had the record cutter attachment as a microphone.
They were also used with Philcophone intercoms of the same period as a combination microphone and speaker.
--
Ron Ramirez
Ferdinand IN
