New Inventions, Models, &c., made to order or from Drawings.
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.
PHOTOGRAPHIC INSTITUTION.—An EXHIBITION of PICTURES, by the most celebrated French, Italian, and English Photographers, embracing Views of the principal Countries and Cities of Europe, is now OPEN. Admission 6d. A Portrait taken by MR. TALBOT'S Patent Process, One Guinea; Three extra Copies for 10s.
PHOTOGRAPHIC INSTITUTION, 168. NEW BOND STREET.
HAMILTON'S MODERN INSTRUCTIONS FOR SINGING. 5s.
HAMILTON'S MODERN INSTRUCTIONS FOR THE PIANOFORTE. Forty-sixth Edition. 4s.