Lighter fluid (heptane) has always been effective in removing adhesive from
acetate magnetic tape. It may work well on the discs but test an
unimportant are a first!


On Wed, Jul 31, 2019 at 2:49 PM Martin Fisher <[log in to unmask]>

> I've used Ronsonol lighter fluid to great effect in the past with no
> problems.
> Martin
> -----Original Message-----
> From: Association for Recorded Sound Discussion List <
> [log in to unmask]> On Behalf Of Howard Sanner
> Sent: Wednesday, July 31, 2019 1:39 PM
> To: [log in to unmask]
> Subject: [ARSCLIST] [AESHC] Cleaning grease pencil off discs
> I recently (as in yesterday) acquired some Speak-o-Phone discs. Unlike
> others I have, which are recorded on bare aluminum, these have a lacquer or
> acetate coating on an aluminum substrate. (I'm not going to strike a match
> to find out if it's acetate or lacquer!)
> One disc has two bands. The inner one has been drawn through using grease
> pencil in a pseudo-sine wave shape like you might use to scratch out a line
> of text. I'd like to remove the grease pencil and try playing this band.
> The band without grease pencil is Lily Pons on the Ford Sunday Evening Hour
> from 1941.
> So does anyone know how to remove grease pencil like this without damaging
> the disc?
> Thanks.
> Howard Sanner

1006 Langer Way
Delray Beach, FL 33483