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. {635} * * * * * PHOTOGRAPHIC PICTURES--A Selection of the above beautiful Productions (comprising Views in VENICE, PARIS, RUSSIA, NUBIA, &c.) may be seen at BLAND & LONG'S, 153. Fleet Street, where may also be procured Apparatus of every Description, and pure Chemicals for the practice of Photography in all its Branches. Calotype, Daguerreotype, and Glass Pictures for the Stereoscope. *** Catalogues may be had on application. BLAND & LONG, Opticians, Philosophical and Photographical Instrument Makers, and Operative Chemists, 153. Fleet Street. * * * * * PHOTOGRAPHIC PAPER.--Negative and Positive Papers of Whatman's, Turner's, Sanford's, and Canson Freres' make. Waxed-Paper for Le Gray's Process. Iodized and Sensitive Paper for every kind of Photography. Sold by JOHN SANFORD, Photographic Stationer, Aldine Chambers, 13. Paternoster Row, London. * * * * * PHOTOGRAPHIC APPARATUS MANUFACTORY, Charlotte Terrace, Barnsbury Road, Islington. T. OTTEWILL (from Horne & Co.'s) begs most respectfully to call the attention of Gentlemen, Tourists, and Photographers, to the superiority of his newly registered DOUBLE-BODIED FOLDING CAMERAS, possessing the efficiency and ready adjustment of the Sliding Camera, with the portability and convenience of the Folding Ditto. Every description of Apparatus to order. * * * * * 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 my be seen at their Establishment. Also every description of Apparatus, Chemicals, &c. &c. used in this beautiful Art.--123. and 121. Newgate Street. * * * * * Just published, price 1s., free by Post 1s. 4d., THE WAXED-PAPER PHOTOGRAPHIC PROCESS of GUSTAVE LE GRAY'S NEW EDITION. Translated from the French.