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,
THIS WORK IS MOST RESPECTFULLY INSCRIBED.



PREFACE.