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Six circular glass plates bearing negatives made with a Stirn waist coat camera (three dated 1889)

1889
Chapman-Jones collection glass plates in three archival boxes

Chapman-Jones Collection

93 glass plate negatives showing electro-medical and x-ray apparatus manufactured by a variety of different companies, including Newton and Wright, Newton and Victor Ltd, Siemens, Philips Metalix, stored in a wooden box, 1920-1955

Glass plate negatives showing electro-medical and x-ray equipment

1920-1955
Two optically plane glass plates, each 2" square, 1/4" thick, for demonstrating interference fringes produced by thin films

Two optically plane glass plates