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BTW, I play them on a modern turntable and repitch later.
Cheers
Shai

On Wed, Jan 6, 2016 at 10:23 PM, Brandon R Burke <[log in to unmask]>
wrote:

> Steve,
>
> Perhaps a silly question..
>
> Like Shai, I understand these to be Audograph discs. Is the Flexopgraph an
> altogether different technology or name of the machine that committed
> information to Audograph discs?
>
> Thanks,
> Brandon
>
> ---------------------------
> Brandon Burke
> Archivist for Recorded Sound Collections
> Hoover Institution Library and Archives
> Stanford University
> Stanford, CA 94305-6010
> vox: 650.724.9711
> fax: 650.725.3445
> email: [log in to unmask]
>
> ________________________________________
> From: Association for Recorded Sound Discussion List <
> [log in to unmask]> on behalf of Steven Smolian <[log in to unmask]
> >
> Sent: Tuesday, January 5, 2016 1:40 PM
> To: [log in to unmask]
> Subject: Re: [ARSCLIST] Translucent Blue Plastic Flexi-Discs - What do you
> know about these?
>
> These are dictation discs for the Gray Flexograph.
>
> They are constant linear speed and require a special playback machine.
> When played on an ordinary turntable, they appear to start at one speed and
> end up at a way different one.
>
> I have the machine and have transferred quite a number of these.
>
> Steve Smolian
> Smolian Sound Studios
> 301-694-5134
>
> -----Original Message-----
> From: Association for Recorded Sound Discussion List [mailto:
> [log in to unmask]] On Behalf Of Karl E. Fitzke
> Sent: Tuesday, January 05, 2016 3:34 PM
> To: [log in to unmask]
> Subject: [ARSCLIST] Translucent Blue Plastic Flexi-Discs - What do you
> know about these?
>
> Happy New Year, everyone.
>
> A fellow Cornell Library employee just asked me what I might know the type
> of disks they just found a stack of in a box of archival submissions
> (french lessons?).  Short of my experience with cereal box records as a kid
> and magazine inserts later in life, not much.  Here are some photos.
>
> https://cornell.box.com/s/6yclc1zn7padx02o4ejll083etem0ohg
>
> Without looking closely, I'm guessing that they play inside to out, based
> on the blank material on the outside of some of them.  And that the
> technology enabled multiple but independent tracks, i.e. that don't
> necessarily play one after the other.  The keyed spindle must prevent these
> lightweight discs from slipping.  The few disks I looked at are only
> one-sided, but there are designations of "1" and "2" cut into them.
>
> Anyone have a machine made to play these?  Would it be foolish to try with
> a standard turntable (after some closer inspection of the groove to make
> sure it doesn't require the turntable to revolve in the other direction)?
>
> As always, I'm grateful for the community to consult here!
>
> -Karl