Sold by JOHN SANFORD, Photographic Stationer, Aldine Chambers, 13. Paternoster Row, London. * * * * * BENNETT'S MODEL WATCH, as shown at the GREAT EXHIBITION. No. 1. Class X., in Gold and Silver Cases, in five qualities, and adapted to all Climates, may now be had at the MANUFACTORY, 65. CHEAPSIDE. Superior Gold London-made Patent Levers. 17, 15, and 12 guineas. Ditto, in Silver Cases, 8, 6, and 4 guineas. First-rate Geneva Levers, in Gold Cases, 12, 10, and 8 guineas. Ditto, in Silver Cases, 8, 6, and 5 guineas. Superior Lever, with Chronometer Balance, Gold, 27, 23, and 19 guineas. Bennett's Pocket Chronometer, Gold, 50 guineas; Silver, 40 guineas. Every Watch skilfully examined, timed, and its performance guaranteed. Barometers, 2l., 3l., and 4l. Thermometers from 1s. each. BENNETT, Watch, Clock and Instrument Maker to the Royal Observatory, the Board of Ordnance, the Admiralty, and the Queen, 65. CHEAPSIDE. * * * * * TO PHOTOGRAPHERS.--Pure Chemicals, with every requisite for the practice of Photography, according to the instructions of Le Gray, Hunt, Brébisson, and other writers, may be obtained, wholesale and retail, of WILLIAM BOLTON, (formerly Dymond & Co.), Manufacturer of pure chemicals for Photographic and other purposes. Lists may be had on application. Improved Apparatus for iodizing paper in vacuo, according to Mr. Stewart's instructions. 146. HOLBORN BARS. * * * * * PHOTOGRAPHY--The AMMONIO-IODIDE OF SILVER in Collodion, prepared by MESSRS. DELATOUCHE & CO., Operative Chemists, 147. Oxford Street, is now generally used by Photographers, and cannot be surpassed in the beautiful results it produces. Specimens may be seen on application. MESSRS. DELATOUCHE & CO. supply Apparatus with the most recent Improvements, Pure Chemicals, English and Foreign Papers, and every Article connected with Photography on Paper or Glass. Instruction given in the Art. See HENNAH'S new work on the Collodion Process, giving the most practical directions yet published, price 1s., or free by post 1s. 6d. * * * * * 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. * * * * * WESTERN LIFE ASSURANCE AND ANNUITY SOCIETY. 3. PARLIAMENT STREET, LONDON. Founded A.D. 1842. _Directors._