BLAND & LONG, Opticians, Philosophical and Photographical Instrument Makers, and Operative Chemists, 153. Fleet Street.
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.
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.