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 Depôt for Turner's, Whatman's, Canson Frères', 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 Frères' 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.

* * * * *

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 _Athenæum_, Aug. 14th). Their

Collodion (price 9d. per oz.) retains its extraordinary sensitiveness,

tenacity, and colour unimpaired for months: it may be exported to any

climate, and the Iodizing Compound mixed as required. J. B. HOCKIN & CO.

manufacture PURE CHEMICALS and all APPARATUS with the latest Improvements

adapted for all the Photographic and Daguerreotype processes. Cameras for

Developing in the open Country. GLASS BATHS adapted to any Camera. Lenses

from the best Makers. Waxed and Iodized Papers, &c.

* * * * *

Notes and Queries, Number 183, April 30, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. · 第 130 / 151 题