complete assortment of Ambrotype and Photographic
goods.

SOLE AGENTS FOR THE Patent solid glass corner Plate Holders.

All orders will receive prompt attention, and be forwarded with
dispatch.

HOLMES, BOOTH & HAYDENS,
81 Chambers, and 63 Reade St.
New York.

SCOVILL MANUFACTURING CO.

MANUFACTURER OF
DAGUERREOTYPE PLATES,
MATTINGS,
PRESERVERS, CASES,
APPARATUS, etc., etc.

Importers and Dealers in every description of Daguerreotype,
Photographic, AND AMBROTYPE GOODS,

The SCOVILL MANUFACTURING COMPANY flatter themselves that an experience
of nearly twenty years in the business and the most extensive variety
of the above Goods in the United States, entitle them to the
continuance of orders for the Domestic and Foreign trade, which will
receive the most careful attention.

Park Building, New York. Entrances--36 Park Row, 4 Beekman, and 141
Nassau Street.

SCOVILL MANUFACTURING CO.

Would call especial attention to their large variety of

CASES,

Embracing many Fancy Styles made only by themselves, and to which they
are constantly adding New Designs.

Union Cases,
Of all sizes, with Riveted Hinges.
AGENTS FOR THE SALE OF
C. C. HARRISON'S CAMERAS,

with improvements, which we are now prepared to sell at reduced prices,
and warranted to give better satisfaction than ever before
DAGUERREOTYPE PLATES, H. B.--N. P.--Star and other brands PLATE GLASS,
embracing three-quarters white: Crown and all other varieties. We
would call particular attention to our Black Glass, made expressly for
Ambrotypes.

CHEMICALS,
for the Daguerreotype and Photographic Art.
Iodized and Plain COLLODION. Gun Cotton, etc., etc.
Tagliabue's Collodiometres and Actino-Hydrometres, for
testing Chemicals.

APPARATUS OF EVERY VARIETY.

Gutta Percha, Porcelain, and Glassware of all kinds used in the Art.

A large assortment of Gilt Frames always on hand and made to order.

Ambrotype Shields, with solid corners of a new style.

All orders will meet with prompt attention

SCOVILL MANUFACTURING CO.,
PARK BUILDING
New York
36 Park Row, 4 Beckman, and
141 Nassau Street.

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.

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