BLAND & LONG, 153. FLEET STREET, OPTICIANS and PHILOSOPHICAL INSTRUMENT MAKERS, invite attention to their Stock of STEREOSCOPES of all Kinds, and in various Materials; also, to their New and Extensive Assortment of STEREOSCOPIC PICTURES for the same, in DAGUERREOTYPE, on PAPER, and TRANSPARENT ALBUMEN PICTURES on GLASS, including Views of London, Paris, the Rhine, Windsor, &c. These Pictures, for minuteness of Detail and Truth in the Representation of Natural Objects, are unrivalled.
BLAND & LONG, Opticians, 153. Fleet Street, London.
*** "Familiar Explanation of the Phenomena" sent on Application.
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.
Portraits obtained by the above, for delicacy of detail rival the choicest Daguerreotypes, specimens of which may be seen at their Establishment.