I recall, back in the 1970s, getting regular mailings from Radiola with descriptions of their new releases. One was an lp containing broadcasts of a mid-fifties live concert show, "Rock N' Roll Dance Party", hosted by dj Alan Freed. I remember that these supposedly came from glass based lacquers discovered in Germany. So were glass-based lacquers still manufactured that late? Were they used for disc mastering mostly, rather than providing more common instantaneous records of broadcasts and performances? Randy On Mon, Apr 23, 2012 at 8:57 PM, Michael Biel <[log in to unmask]> wrote: > Good find. �I had not realized that AudioDiscs went back into the glass > business in 1951. I guess I could have seen them listed on their price > list. �If all you needed the disc for was to bring it over to the > plating room and have it electroplated, then glass was ideal. �But > despite that currently and in the past couple of decades there are very > few people who use lacquers for any other purpose, I don't think any of > the few remaining lacquer manufacturers have glass base discs in their > product line. �(Scratch jocks cut their "dub plates" on uncoated vinyl.) > > Mike Biel �[log in to unmask] >