Well cleaned smooth glass. May have to sub with a thin coat of
gelatin that has been harden, then coat with emulsion.. Could also
use albumen as a sub - I think.
Robert N
On Jun 22, 2006, at 10:14 PM, Murray Leshner wrote:
> I know more about frame shop glass than plate glass...I only order
> 'plate' glass in the form of 1/4" mirror for people who don't like
> the thinner kind.
>
> The 'brand name' glass I get in boxes is float glass...rarely, one
> finds a spot of tin (the glass is, or at least used to be, floated
> on molten tin) on the surface.
>
> Re: Flatness...I have made ground glass with it and never noticed
> anything 'funny' with grit about 500 or coarser. However, I tried 5
> micron ( ~1000 grit ) Aluminum Oxide and was utterly frustrated
> with the 'waves' or ripples that were in the glass.
>
> Say, does one put emulsion on smooth glass, or etched/ground glass
> for negative plates?
>
> Thanks
>
> Murray
>
>
>
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> league today!
Received on 06/23/06-07:55:44 AM Z
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