Hammer's little book
Subtitle: a short talk on negative making, formulas, etc
Contributors: Epstean Collection of Books on Photography and Its Applications in the Graphic Arts (Columbia University. Rare Book and Manuscript Library)
Edition: Seventh ed.
Publisher: Hammer Dry Plate Co.; rev. and printed by W.I. Scandlin
Place of publication: Saint Louis, Mo; Brooklyn, N.Y
Language: eng
Number of pages: 48
Subjects: Photography; Equipment and supplies; Negatives; Hammer Dry Plate Co