[78-L] What are these?

[David Lennick]

http://www.aph.org/museum/virtual_exhibit/exhibit4/e40008b-2.htm

dl

On 4/29/2011 9:19 PM, jeffrey smedbron wrote:
> Sound Scriber Discs.
>
> http://jsmedark.fileave.com/ss1.jpg
>
> http://jsmedark.fileave.com/ss2.jpg
>
>
>
> ----- Original Message ----
> From: David Lennick<dlennick at sympatico.ca>
> To: 78L<78-L at 78online.com>
> Sent: Fri, April 29, 2011 4:59:29 PM
> Subject: [78-L] What are these?
>
> I found 4 green flexi discs today, about 4 inches in diameter with a square
> center hole, no markings or ID, very fine grooves, most cut on 2 sides. They
> appear to play at 33 but don't track well (very fine microgroove, I presume)
> and all I can hear is a faint male voice. Are these from a dictating machine?
> The material is similar to red Edison discs I've seen.
>
> dl
>
> _______________________________