[78-L] Estimated Survival of Shellac 78s in 2109??

[78records at cdbpdx.com]

I asked this question before I thought about how well they've already endured the decades compared to other mediums invented since.  Most of my video tapes from the 70s are kaput, my old cassette tapes are mostly useless, 4 track and 8 track tapes are pretty much past their life expectancy.  Guess I should have asked how long do we have to record the tapes to shellac before they turn to powder.  Scary to think that in a thousand years, the only thing surviving from the last century might be these old shellac recordings.
 
CDB

--- On Tue, 7/28/09, 78records at cdbpdx.com <78records at cdbpdx.com> wrote:


From: 78records at cdbpdx.com <78records at cdbpdx.com>
Subject: [78-L] Estimated Survival of Shellac 78s in 2109??
To: "78-l Online" <78-l at klickitat.78online.com>
Date: Tuesday, July 28, 2009, 4:41 PM


Should the compounds used to make the early 78s be expected to last for another hundred years?  Two hundred years??  Or will they someday just turn to powder?  How long have we got to get them all recorded before they will all be gone?  CDB
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