Re: Coating


Richard Knoppow (dickburk@ix.netcom.com)
Fri, 05 Mar 1999 02:22:53 -0800


At 09:13 PM 3/5/99 +1300, you wrote:
>I recall seeing a plate coating machine for wet plates. The plate revolved
>on a holder in an open cylinder. I think the coating was poured into the
>centre while it was spinning. I have images in mind that it may not have
>been level - but its 40 years ago. I'm sure that such technology would be
>well documented in the earlier process engraving trade books or magazines.
>
>Kevin O'Brien
>
>---. I used a variable speed drill spinning
>>the board with the emulsion on top. Spinning at various speeds gave
>>different coating thickness....
>
>
  Called a "whirler" in the printing trades, I think.
----
Richard Knoppow
Los Angeles,Ca.
dickburk@ix.netcom.com



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