AMERICAN HAND BOOK OF THE DAGUERREOTYPE
GIVING THE MOST APPROVED AND CONVENIENT METHODS FOR PREPARING
THE CHEMICALS, AND THE COMBINATIONS USED IN THE ART.
CONTAINING THE DAGUERREOTYPE, ELECTROTYPE, AND VARIOUS OTHER PROCESSES
EMPLOYED IN TAKINGHELIOGRAPHIC IMPRESSIONS.
BY S. D. HUMPHREY
FIFTH EDITION
NEW YORK: PUBLISHED BY S. D. HUMPHREY
37 LISPENARD STREET
1858
Entered, according to Act of Congress, in the year 1858, by
S. D. HUMPHREY, In the Clerk's Office of the District Court
of the Southern District of New York.
To J. GURNEY, WHOSE PROFESSIONAL SKILL, SCIENTIFIC ACCURACY,
AND ENERGETIC PERSEVERANCE, HAVE WON FOR HIM UNIVERSAL ESTEEM,
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