[78-L] RCA Victor reverse side "spider web" etching name?

[Eric Jacobs]

On Friday, January 09, 2009 11:26 AM, PHONOGUY at aol.com wrote:

> The information I have states they were mabe between June 1922 
> and August 1923.  This is with a booklet published by Robert M. 
> Pine titled "Techniques by which to approximate pressing dates 
> of victor acoustic recordings"   dated 1976.    I have made 
> some cpoies of the booklet  if any one would like one   
> email me  Thanks Henry schaadt.

Henry - thank you for that bit of information.

The recordings I am working with are electric recordings from 
1947, so it appears that RCA Victor used the "web back" again 
later.

Eric Jacobs
The Audio Archive, Inc.