DIAMOND, F.S.A.

With Notes on the Application of Photography to Archaeology, &c.,

By WILLIAM J. THOMS, F.S.A.

London: GEORGE BELL, 186, Fleet Street.

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PHOTOGRAPHIC SCHOOL.--ROYAL POLYTECHNIC INSTITUTION.

The spacious Plate Glass House, 30 feet by 15, with the Class Rooms and
Ladies' Apartment, being nearly completed. Classes or Private Lessons,
embracing all branches of Photography, will commence May 2nd, 1853, for
Gentlemen, and May 3rd, for Ladies.

A perfect Apparatus with Ross's finest Lenses has been procured, and every
new improvement will be added.

The School will be under the joint direction of T. A. MALONE, Esq., who has
been long connected with Photography, and J. H. PEPPER, Esq., the Chemist
to the Institution.

A Prospectus, with terms, may be had at the Institution.

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Just published, price 1s., free by Post 1s. 4d.,

THE WAXED-PAPER PHOTOGRAPHIC PROCESS of GUSTAVE LE GRAY'S NEW EDITION.
Translated from the French.

Sole Agents in the United Kingdom for VOIGHTLANDER & SON'S celebrated
Lenses for Portraits and Views.

General Depot for Turner's, Whatman's, Canson Freres', La Croix, and other
Talbotype Papers.

Pure Photographic Chemicals.

Instructions and Specimens in every Branch of the Art.

GEORGE KNIGHT & SONS, Foster Lane, London.

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PHOTOGRAPHY.--HORNE & CO.'S Iodized Collodion, for obtaining Instantaneous
Views, and Portraits in from three to thirty seconds, according to light.

Portraits obtained by the above, for delicacy of detail rival the choicest
Daguerreotypes, specimens of which may be seen at their Establishment.

Also every description of Apparatus, Chemicals, &c. &c. used in this
beautiful Art.--123. and 121. Newgate Street.

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PHOTOGRAPHIC PAPER.--Negative and Positive Papers of Whatman's, Turner's,
Sanford's, and Canson Freres' make. Waxed-Paper for Le Gray's Process.
Iodized and Sensitive Paper for every kind of Photography.

Sold by JOHN SANFORD, Photographic Stationer, Aldine Chambers, 13.
Paternoster Row, London.

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PHOTOGRAPHY.--Collodion (Iodized with the Ammonio-Iodide of Silver)--J. B.
HOCKIN & CO., Chemists, 289. Strand, were the first in England who
published the application of this agent (see _Athenaeum_, Aug. 14th). Their
Collodi