A PRACTICAL MANUAL OF THE COLLODION PROCESS, GIVING IN DETAIL A METHOD FOR PRODUCING POSITIVE AND NEGATIVE
Reading edition
Pictures on Glass and Paper.
AMBROTYPES.
PRINTING PROCESS.
ALSO,
PATENTS FOR THE COLLODION PROCESSES;
MELAINOTYPES—PHOTOGRAPHS IN OIL—ALBUMENIZED COLLODION—CUTTING'S PATENTS AND CORRESPONDENCE.—SPECIFICATION'S OF ALL THE FOREGOING, GIVING EACH PROCESS ENTIRE.
THIRD EDITION, REVISED AND GREATLY ENLARGED.
By S. D. HUMPHREY.
NEW YORK: HUMPHREY'S JOURNAL PRINT, 37 LISPENARD STREET.
1857.
Entered according to Act of Congress, in the year 1857, by S. D. HUMPHREY, In the Clerk's Office of the District Court of the United States for the Southern District of New York.