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Date: | Thu, 24 Mar 2005 18:01:45 -0800 |
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Thanks, Vergil. I'd found a number of historic sources, but missed this one
- and its one of the better ones!
Robert
At 3/24/2005 12:29 PM, you wrote:
>Info on Edison disc system, including disc composition
>
>http://memory.loc.gov/ammem/edhtml/eddschst.html
>
>
>
>
>
> Pbmorgan
> <[log in to unmask] To: [log in to unmask]
> COM> cc: (bcc: Vergil
> Noble/MWAC/NPS)
> Sent by: Subject: Re: Conservation
> of Phonograph Records
> HISTORICAL
> ARCHAEOLOGY
> <[log in to unmask]
> >
>
>
> 03/24/2005 11:34
> AM PST
> Please respond to
> mblanchard
>
>
>
>
>
>Hey Robert:
> As you probably know, the Edison Diamond records were produced between
>1912 and 1929 and they were a unique system. I looked around and couldn't
>find any specific information on what the records were made of but you
>might
>do the standard tests for gutta percha, India rubber, vulcanite, and
>bakelite
>(I'm betting on Inda rubber but its just a hunch based on the date of
>manufacture). This would let you know what you are dealing with and you
>could tailor your approach to the material. As for long term preservation
>I
>would think that a gentle cleaning in water followed by controlled drying
>process (hard here in Reno)would be the course to follow. Just my
>thoughts.
>
>
>Morgan Blanchard
>Department of Anthropology
>University of Nevada, Reno
>
>_____________________________________________________________
>Great Basin Internet Services Webmail (http://greatbasin.net)
>
>
>---------- Original Message -----------
>From: Robert Leavitt <[log in to unmask]>
>To: [log in to unmask]
>Sent: Thu, 24 Mar 2005 08:03:09 -0800
>Subject: Conservation of Phonograph Records
>
> > Hi all:
> >
> > We've just recovered five Edison Diamond phonograph records from a
> > site in Reno, Nevada. They're dirty, cracked, and wet. Anybody have
> > an idea about stabilizing them until we can contact a
> > conservationist? Right now they're in a bag in a refrigerator,
> > trying to reproduce the conditions in which they were found.
> >
> > Robert C. Leavitt
>------- End of Original Message -------
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