The Secret Society of Lathe Trolls

Mossboss - Thanks for the suggestions! Very close to treatments we're already considering! I'll let you know what we come up with.

piaptk - I wrote their business email, but haven't heard back. Maybe I'll write one or both of them individual if I don't hear back soon. Thanks.

Thanks Steve E. for the info! I found some info in US patent 2,607,699 granted to Audio Devices Inc. (makers of Audiodisc blanks), which lists the following formula: 33.3% 1/2 sec. nitrocellulose (1/2 sec. is a measure of viscosity) 18.0% wetting alcohol (ethanol or butanol - solvent) 28.2% ethyl ac...

Hi Lathetrolls, I'm working on an audio preservation program at the Northeast Document Conservation Center trying to get audio from broken and heavily degraded lacquer discs using an optical imaging platform called IRENE. You can read a bit more about the project on our blog here: http://nedcc.org/a...