Old Vacuum Hand Printing Frame

To: alt-photo-process-l <alt-photo-process-l@usask.ca>
Subject: Old Vacuum Hand Printing Frame
From: Michael Koch-Schulte <mkochsch@gmail.com>
Date: Tue, 08 Apr 2008 06:24:05 -0600
Comments: "alt-photo-process mailing list"
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Not sure what happened to the post I sent to the list a couple of days ago??! But I found this interesting piece of hardware on ebay a couple of days ago.

Search: SWEIGARD IDEAL VACUUM & HAND PRESSURE PRINTING FRAME

I was wondering what if anything was unique about it?
~m