Re: [ARSCLIST] identifying acetate substrates

[Eric Jacobs <ericj@xxxxxxxxxxxxxxxxxxx>]

Do you think that the dard red, transparent record was solid
nitrocellulose?  Or was it nitrocellulose on a glass substrate?

Eric Jacobs
The Audio Archive


---- Original message ----
>Date: Fri, 22 Jul 2005 00:08:24 +0200
>From: George Brock-Nannestad <pattac@xxxxxxxx>
>Subject: Re: [ARSCLIST] identifying acetate substrates
>To: ARSCLIST@xxxxxxxxxxxx
>
>From: Patent Tactics, George Brock-Nannestad
>
>Hello,
>
>David Lennick wrote:
>
>> If they say glass, chances are they ARE glass, especially if the center
>> portion looks removable. Very carefully hold one up to the light..if it's
>> glass, you'll see through it.
>
>----- I remember witnessing an examination/final project presentation for a
>degree in media restoration, during which the person presented a dark,
>transparent red record (darker than the Victor Heritage) as proof that
>records were also being made in "solid shellac". Neither the tutor nor the
>external examiner protested. In the interval I sniffed the surface -
>cellulose nitrate, obviously. I never told anyone aloud, but the event taught
>me that if I were ever to hire someone - even someone with a degree - I would
>present practical items for discussion during a job interview. There is such
>a vast amount of media out there. And we would like people to have knowledge
>about them.
>
>Kind regards,
>
>George