During treatment: ambrotype plate removed from its case. Brass mat and preserver are in foreground, below open case, and there is no cover glass. Case cover and rail are detached. Project treatment form is at left. (Scanned from a 35mm slide.)
Full Collection Name
Cased photographs and related images from The Bancroft Library pictorial collections, circa 1845-circa 1870
IP-DIG FILM :04
The Bancroft Library
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