Fred, these are the only copies I know of. They were acquired from a 
closed facility.

I used, "A-D test strips" to determine how bad the deterioration was. The 
acetate based 35mm reels are showing levels of 1 to 1.5 which means 
deterioration is starting / rapid degradation started. The polyester based 
16mm reels are not affected and have been seperated. My facility is air 
conditioned but everything not being backed up is going to offsite climate 
controlled storage.


Seth Beim
OBS Records Manager
~~~~. 
Branchburg NJ 08876
 
908-903-~~~ W
908-903-~~~ F
 

 



"Grevin, Fred" <[log in to unmask]> 
Sent by: Records Management Program <[log in to unmask]>
07/08/2008 12:27 PM
Please respond to
Records Management Program <[log in to unmask]>


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Subject
Re: Deteriorating Microfilm Reels






If the microfilm Seth is concerned about is showing symptoms of vinegar
syndrome, it certainly is silver-gelatin microfilm. In my experience,
silver-gelatin microfilm is MUCH more vulnerable to scratching than
diazo microfilm.

The wording of Seth's message implies there's only one copy of the
microfilm, so if there's any chance the microfilm images are important,
risk avoidance may be a serious consideration.

Best regards.

Fred
===================================================================
Frederic J. Grevin

-----Original Message-----
Sent: Tuesday, July 08, 2008 11:46
Subject: Re: [RM] Deteriorating Microfilm Reels

Fred said:
"Seth, there's no such thing as a "non-scratching" microfilm reader or
reader-printer, so you are risking some damage to the microfilm if you
follow this advice (sorry, Sharon--nothing personal)."

No offense taken - I should have clarified that the film I took to the
library were duplicates (originals sent to the State Archives). And now
you know just about everything I know about microfilm :)

Sharon

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