PHOTOGRAPHY.—Reduction in Price of French Papers prepared for Mons. Le Gray's Process. Examination of the Papers, and comparison with the Prices hitherto charged for the same description, is respectfully solicited; the most perfect Selection and Chemical Manipulations having been observed, with a hope that an endeavour to reduce the Cost of this beautiful and extensively applied Branch of Photographic Art, may secure a portion of Public Patronage. Canson Frères' Waxed Negative (all spotted or imperfect sheets rejected), 6s per Quire. Iodized ditto, 8s. Sensitive, available for three weeks, 13s.: Size 17½ by 11½, demy folio. Specimens of other Papers sent Free, between boards, on Receipt of Postage (10 Stamps), addressed, Prepaid, to
LUKE SAMS, 7. Adelphi Chambers, facing the Society of Arts, Adelphi, London.
*** Positive Papers, English and Foreign.
IMPROVEMENT IN COLLODION.—J. B. HOCKIN & Co., Chemists, 289. Strand, have, by an improved mode of Iodizing, succeeded in producing a Collodion equal, they may say superior, in sensitiveness and density of Negative, to any other hitherto published; without diminishing the keeping properties and appreciation of half tint for which their manufacture has been esteemed.
Apparatus, pure Chemicals, and all the requirements for the practice of Photography. Instruction in the Art.
THE COLLODION AND POSITIVE PAPER PROCESS. By J. B. HOCKIN. Price 1s. per Post, 1s. 2d.
PHOTOGRAPHY.—HORNE & CO.'S Iodized Collodion, for obtaining Instantaneous Views, and Portraits in from three to thirty seconds, according to light.