The modern practice of retouching negatives, as practiced by M. Piquepé and other experts, French, English and American (1882)
Piquepé, P. (Paul), Piquepé, P. (Paul). Traité pratique de la retouche des clichés photographiques. English. Selections · New York : Scovill Manufacturing Company · leaf 56
ESTABLISHED 1865. W. D. H. Wilson. John G. Hood. WILSON, HOOD & CO., IT o. 825 Arch Street, PHILADELPHIA, SOLE AGENTS FOR ROSS & STEINHEIL … DROP SHUTTER. Small Size 9 $6,00. COLORS, &c. Larg& “ H.OO. VIII
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.