THOMAS, Chemist, 10. Pall Mall, to counterfeit which is felony.

CYANOGEN SOAP: for removing all kinds of Photographic Stains. Beware of
purchasing spurious and worthless imitations of this valuable detergent.
The Genuine is made only by the Inventor, and is secured with a Red Label
bearing this Signature and Address, RICHARD W. THOMAS, CHEMIST, 10. PALL
MALL, Manufacturer of Pure Photographic Chemicals: and may be procured of
all respectable Chemists, in Pots at 1s., 2s., and 3s. 6d. each, through
MESSRS. EDWARDS, 67. St. Paul's Churchyard; and MESSRS. BARCLAY & CO., 95.
Farringdon Street, Wholesale Agents.

* * * * *

PHOTOGRAPHIC CAMERAS.--OTTEWILL'S REGISTERED DOUBLE-BODIED FOLDING CAMERA,
is superior to every other form of Camera, for the Photographic Tourist,
from its capability of Elongation or Contraction to any Focal Adjustment,
its Portability, and its adaptation for taking either Views or
Portraits.--The Trade supplied.

Every Description of Camera, or Slides, Tripod Stands, Printing Frames, &c.
may be obtained at his MANUFACTORY, Charlotte Terrace, Barnsbury Road,
Islington.

New Inventions, Models, &c., made to order or from Drawings.

* * * * *

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.

* * * * *

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 delivery 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.

* * * * *

IMPROVEMENT IN COLLODION.--J. B. HOCKIN & CO., Chemists, 289. Strand, have,
by an improved mode of Iodizing, succeeded in producing 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 h