[78-L] did we ever find consensus as to how to clean these things(Diamond Discs)

[marimbamoods at comcast.net]

wrong - they are road tar on broken glass . . . at least they sound that way. 


david harvey 



----- Original Message ----- 
From: "martha" <MLK402 at verizon.net> 
To: "78-L Mail List" <78-l at klickitat.78online.com> 
Sent: Saturday, November 27, 2010 6:38:28 PM 
Subject: Re: [78-L] did we ever find consensus as to how to clean these things(Diamond Discs) 

I think the wretchedly noisy Edison pressings from the late Teens are brushed Condensite on wood-flour base. China clay 
and paper labels were more or less coincident, methinks. 


----- Original Message ----- 
From: "Michael Biel" <mbiel at mbiel.com> 
> 
> 2) There are two distinctly different types of Diamond Discs. The early 
> ones have CELLULOID surfaces which were laid on as a sheet onto the wood 
> flour core. It is only later that the surfaces became CONDENSITE which 
> was brushed on as a liquid in several coatings. I am not sure if the 
> core was changed to China Clay at the same time as the switch to 
> Condensite, so there might be two types of Condensite discs. 

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