L s. d. A Portrait by Mr. Talbot's Patent Process 1 1 0 Additional Copies (each) 0 5 0 A Coloured Portrait, highly finished (small size) 3 3 0 A Coloured Portrait, highly finished (larger size) 5 5 0 Miniatures, Oil Paintings, Water-Colour, and Chalk Drawings, Photographed and Coloured in imitation of the Originals. Views of Country Mansions, Churches, &c., taken at a short notice. Cameras, Lenses, and all the necessary Photographic Apparatus and Chemicals, are supplied, tested, and guaranteed. Gratuitous Instruction is given to Purchasers of Sets of Apparatus. PHOTOGRAPHIC INSTITUTION, 168. New Bond Street. * * * * * TO PHOTOGRAPHERS.--Second-hand Camera for Sale, with Ross's 21/2 inch lens, capable of taking pictures 81/2 by 61/2. Two double Shutters for paper, and one for Collodion, adjusting Front, &c. Price, 7l. 10s. For further particulars apply to MR. DIXEY, King's Road, Brighton. * * * * * 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. * * * * * 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. * * * * * 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. * * * * * PHOTOGRAPHY.--HORNE & CO.'S Iodized Collodion, for obtaining Instantaneous Views, and Portraits in from three to thirty seconds, according to light.