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xvi THE PHOTOGRAPHIC NEWS.[July 2 GREAT IMPROVEMENTS PLATINOTYPE PRINTING. No Platinum required in the Developer. No Lead or other Metal (other than Iron and Platinum) used in the proc® 33. LICENSES to work WILLIS’S PATENTS granted on payment of a small Annual Fee. TO AjUATEUHS SPECIAL TERUIS ARE GRANIEP. PRICE LIST OF SENSITIZED PAPERS MAY BE HAD ON APPLICATION. THE PLATINOTYPE COMPANY, 2, ST. MILDRED’S TERRACE, Bromley Bead, LEE, LONDON, 8j^ SECOND-HAND LENSES, CAMERAS, AND APPARATUS. By ROSS, DALLMEYER, and all best Makers. The Largest Stock and Best Selection in London. Illustrated Catalogue 2d. Ask for Photo. List. Purchases and Exchanges Made, W. & S.’S INSTANTANEOUS SHUTTER, 12/6. Send ^Remittance and Diameter of Hood of Lens. W. WATSON & SON, 313, High Holborn, London, W.C. (8 Doors from Chancery Lane) Established 1837. ROUGH’S RAPID GELATINE PLATES Will be found to possess the greatest rapidity, and are unequalled for Instantaneous Landscape and Studio Wor" Full directions with each packet. Testimonial from G. C. Whitfield, Esq., Firm of Lock and Whitfield, April 2nd, 1880. । “ The Gelatine Plates that you sent me have quite converted me to the use of Dry Plates I had previously tried those of the first makers, but 1 have fod . yours alone give perfectly satisfactory results ; they are very rapid, the development is easy, the shadows remaining clear to the last, and the density is sutp' { without after iniensification. Considerable latitude is allowable in time of exposure I forward you prints from eight different negatives taken a fewdays Since Mr. Gladstone; time being very limited, various exposures were given, but you will see that they are all equally good, and not to be distinguished fromPri from good wet plates. If you think my opinion of any value, you are quite at liberty to publish it.” TRICES. Size of Plate. Per doz. SizeofPlate. Perdoz. Size of Plate. Perdoz. SizeofPlate. Pcrdoz. Size of Plate. Perdoz, SizeofPlate. Pcrdoz. Size of Plate. Perdo 44X34 ... 3/- | 6}X4] ... 6/6 | 7}X5 ... 8/- | 8]X64 ... 12/- | 9X7 ... 13/6 | 10X8 ... 18/- | 12X10.26/ ROUGH’S SENSITIZED PAPER.—White or Rose Tinted, prints in every way superior to ordinary Albumenized Paper, and"’ 1 ' keep for months. Per Quire, 14/-; Half-quire, 7/6; Sheet, 1/-. For Tents, Cameras, Lenses, Glass, Chemicals, &c, see CATALOGUE for 1879-80, price 6d. W. W. ROUCH & CO., Manufacturers of Photographic Materials) 180, STRAND, LONDON, W.C. DALLMEYER’S NEW PATENT LENSES, ESPECIALLY CONSTRUCTED FOR USE WITH THE OPTICAL LANTERN (commonly called Magic Lantern). These Lenses (intended for use with the Optical Lantern only, and not for photography) produce the most brillial Enlargements upon the screen, true to the original both in outline and colouring; they are free from all distortion the images are well defined throughout, and the field is flat. r No. 1. LANTERN LENS (Patent) suitable for in. Condensers £4 4 0 No. 2. LANTERN LENS (Patent) suitable for I in. Condensers 5 5 0 DALLMEYER “ On the Choice and Use of Photographic Lenses,” Third Edition, price Sixpence. DESCRIPTIVE CALALOGUES of Telescopes, Microscopes, Photographic Lenses, &c„ ox APPLICATION AT 19, BLOOMSBURY STREET, LONDON, W. 7 _ 7 Printed and Published by Thomas Piper and Georoe Carter, at 5, Castle Street, Holborn, London, E.C., Friday J ULY 23, 188"