Coating on older DEC slides

[Chris Halarewich]

this might help

https://www.google.com/shopping/product/7383451835334313012?q=molybdenum+disulfide+coating&safe=off&noj=1&biw=1024&bih=629&prds=paur:ClkAsKraXyh_1xad5vi9oE0I8GS1YznlVNSS2tGKR-iUpH71NEXpImtA4Kq4eR4KA_86tvG9WTQ51CzYkVNoTTtf1VA7rw9TasccwTuI9dlNZ4utFu-Vfi5tDxIZAFPVH72olz1yqEpQprTbIoGwC5-h_rf5Bw&ved=0CAYQpitqFQoTCMeop_jOjcYCFcybiAodlQsMPA&ei=9aB8VYfaHcy3ogSVl7DgAw

On 6/13/15, Rod Smallwood <rodsmallwood52 at btinternet.com> wrote:
> 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
> Nickel
> 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!
>>
>> Ed#
>>
>>
>> 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
>>
>
>


-- 
Chris Halarewich