Coating on older DEC slides

John Wilson wilson at
Sat Jun 13 10:45:03 CDT 2015

On Sat, Jun 13, 2015 at 11:20:19AM -0400, Noel Chiappa wrote:
>So, what _is_ that grey coating - and, more important, how (if at all) can it
>be reproduced these days?

Wild guess:  some kind of oxide?  I agree that it doesn't look like paint
or powder coat.

John Wilson
D Bit

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