Coating on older DEC slides
couryhouse at aol.com
Sat Jun 13 16:42:53 CDT 2015
Yes that is what was used... and yes too much is bad.. beryllium is way worse
. William Hansen at varian died from itEd#
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-------- Original message --------
From: Rod Smallwood <rodsmallwood52 at btinternet.com>
Date: 06/13/2015 2:23 PM (GMT-07:00)
To: General at classiccmp.org, "Discussion at classiccmp.org:On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
Subject: Re: Coating on older DEC slides
Ever looked at an old radio chassis?
They had what I was led to believe was a grey cadium plating over the steel
The boxes BA11-ES and the like had I think a coat ing was some kind of
My 11/34A has a greyish coating on the tiltable runners.
On 13/06/2015 21:35, COURYHOUSE at aol.com wrote:
> cadmium not good for you... beryllium is even worse!
> In a message dated 6/13/2015 12:51:52 P.M. US Mountain Standard Time,
> rodsmallwood52 at btinternet.com writes:
> It might be cadmium
> On 13/06/2015 16:45, John Wilson wrote:
>> 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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