Travelling-bag with the opening as large as the bag, and the new
Portmanteau containing four compartments, are undoubtedly the best articles
of the kind ever produced.

J. W. & T. ALLEN, 18. & 23. West Strand.

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{507}

COLLODION PORTRAITS AND VIEWS obtained with the greatest ease and certainty
by using BLAND & LONG'S preparation of Soluble Cotton; certainty and
uniformity of action over a lengthened period, combined with the most
faithful rendering of the half-tones, constitute this a most valuable agent
in the hands of the photographer.

Albumenized paper, for printing from glass or paper negatives, giving a
minuteness of detail unattained by any other method, 5s. per Quire.

Waxed and Iodized Papers of tried quality.

Instruction in the Processes.

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

*** Catalogues sent on application.

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THE SIGHT preserved by the Use of SPECTACLES adapted to suit every variety
of Vision by means of SMEE'S OPTOMETER, which effectually prevents Injury
to the Eyes from the Selection of Improper Glasses, and is extensively
employed by

BLAND & LONG, Opticians, 153. Fleet Street, London.

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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.

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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.

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PHOTOGRAPHIC CAMERAS.

OTTEWILL A