Hypersensitizing commercial panchromatic plates ...
By: by Samuel M. Burka.
Publisher: 1919 [i.e. Philadelphia
Published: 1920
Place of publication: Baltimore; [i. e. Philadelphia
Language: eng
Number of pages: 24
Subjects: Photography -- Plates
Notes: Thesis (PH. D.) - Johns Hopkins university, 1919.
Biographical sketch.
Reprinted from the Journal of the Franklin institute, v.189, no. 1, p.25-46, January 1920.