[78-L] stereo, ca. 1932, celluose acetate pressings?

[Mwcpc2 at aol.com]

In a message dated 7/9/2009 3:52:19 A.M. Eastern Daylight Time,  
mbiel at mbiel.com writes:


When  Presto introduced the lacquer disc in Oct 1934 they called it The
Presto  Disc.  In the recording industry as other companies came into  the
field, the name lacquer started to be used, but the broadcasters  had
started using the word acetate.  As early as 1940 AudioDevices in  their
book "How To Make Good Recordings" mentioned several times that the  word
acetate was improper, but I am not sure broadcasters knew how to  read
books.    

************************
 
If anyone is interested in a highly technical discussion of the recording  
technology of that time, I can send  a .pdf file of:
 
A Treatise on Practical Wax Recording
EVERITTE  K. BARNES, M. E.
RECORDING ENGINEER
Copyright 1936
Universal Microphone Company 
 
Please request at _MWCPC at aol.com_ (mailto:MWCPC at aol.com)  (no "2") since 
there seems to be  some problems with this 78-l address.
 
 
WARNING!
 
The author consistently refers to  instantaneous discs as acetate! For 
example:
 
"The costs involved in the production of wax  recordings are considerably 
higher than those of acetate or instantaneous. The  combined costs of 
preparation. materials, processing and finished product are  responsible for this 
difference. If, however, the acetate disc is to be  processed in order to be 
assured of any number of duplicates, which by the way  is now perfectly 
possible, the costs will be very closely allied to those of  wax."
 
 
Viewer discretion is  advised.



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