Patent- An alkaline developer containing diaminophenol sulfonic acid

Patent- An alkaline developer containing diaminophenol sulfonic acid

Documentary

Eastman Kodak Company

American, estab. 1892

Patent- An alkaline developer containing diaminophenol sulfonic acid

March 8, 1921
Width: 8 in.
Length: 12 in.
Gift of Eastman Kodak Company
Inscriptions Assignee: Eastman Kodak Co., - cover page

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