HARDWICH’S PHOTOGRAPHIC CHEMISTRY AMERICAN EDITION.

A MANUAL of PHOTOGRAPHIC CHEMISTRY,

INCLUDING THE PRACTICE OF THE COLLODION PROCESS.

BY

T. FREDERICK HARDWICH,

LECTURER ON PHOTOGRAPHY IN KINGS COLLEGE, LONDON; LATE DEMONSTRATOR OF CHEMISTRY IN KING’S COLLEGE.

Last Edition,

The above is the title of this new and valuable work. It is too well known to need any further comment in this place. This volume contains nearly 300 large duodecimo pages, bound in red cloth, $1.00. Copies to be forwarded by mail, $1.18, postage pre-paid.

S. D. HUMPHREY, Photographic Book Publisher, 37 LISPENARD

STREET, NEW YORK,

N. B. Postage stamps taken.