The new technology to optically transfer grooved media would be the ideal way to handle the old damaged cylindars. I would think preserving them until that becomes practical (affordable) would be far superior to trying to play them in a damaged state...

See recent MacArthur Genius awards and "Irene:
<http://irene.lbl.gov/Boas-2012.html>

Just my thoughts.
<L>
Lou Judson
Intuitive Audio
415-883-2689

On Nov 6, 2013, at 11:20 PM, Ryan Barna wrote:

> Mike Khanchalian ("The Cylinder Doctor") may also have an authoritative
> answer on what to use. His email is [log in to unmask]
> 
> 
> On Wed, Nov 6, 2013 at 6:54 PM, David Breneman <[log in to unmask]>wrote:
> 
>> Von: David Lewis <[log in to unmask]>
>> 
>>> If the wax is broken through, then Peter Dilg tried a technique which
>>> involved reassembling it with chewing gum, good because it is reversible
>>> and you can
>>> try, try again. However I do not know a technique for a cylinder that is
>>> split. You may wish to check with DGio on that one.
>