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