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xii THE PHOTOGRAPHIC NEWS. [August 20^5 GREAT IMPROVHMENTS PLATINOTYPE PRINTING. No Platinum required in the Developer. No Lead or other Metal (other than Iron and Platinum) used in the Process LICENSES to work WILLIS’S PATENTS granted on payment of a small Annual Fee. TO AMATEURS S PR Cl AL TERUIS ARE GRANTED. PRICE LIST OF SENSITIZED PAPERS MAY BE HAD ON APPLICATION. THE PLATINOTYPE COM PA N Y, 2, ST. MILDRED’S TERRACE, Bromley Road, LEE, LONDON, SECOND-HAND A LENSES, CAMERAS, AND APPARATUS, By ROSS, DALLMEYER, and all best Makers. The Largest Stock and Best Selection in London Illustrated Catalogue 2d. As/c for Photo. List. Purchases and. Exchanges Made, W. & S.’S INSTANTANEOUS SHUTTER, 12 6. Send Remittance and Piameter of Mood of Lens. W. WATSON & SON, 313, High Holborn, London, W.C. (2 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 W ork Full directions with each packet. Testimonial from G. C. Whitfield, Esq., Firm of Lock and Whitfield, xipril 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 io 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 su ^' of without after intensification. Considerable latitude is allowable in time of exposure. I forward you prints from eight different negatives taken a few days stnc 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 fromP from good wet plates. If you think my opinion of any value, you are quite at liberty to publish it.” PRICES. SizeofPlate. Perdoz, Size of Plate. Perdoz. Sized Plate. Perdoz. SizeofPlate. Perdoz. Size of Plate. Perdoz, Size of Piute. Perdoz. SizeofPlato. F®"’’ 44X3} ... 3/- | 6X44 ... 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 will 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. ROUGH & CO., Manufacturers of Photographic Materials, 180, STRAND, LONDON, W.C. DALLMEYER’S NEW PATENT LENSES, ESPECIALLY CONSTRUCT’ -o» USE WITH THE OPTICAL LANTERN (commonly called Magic Lantern). These Lonses (intended for use with the Optical Lantern only, and not for photography) produce the most brilliant Enlargements upon the screen, true to the original both in outline and colouring; they are free from all distortions, the images are well defined throughout, and the field is flat. No. 1. LANTERN LENS (Patent) suitable for 3]in. Condensers ... £4 4 0 No. 2. LANTERN LENS (Patent) suitable for 4“ 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., ON APPLICATION AT 19, BLOOMSBURY STREET, LONDON, W.C. Printed and Published by Thomas Piper and George Carter, at 5, Castle Street, Holbom, London, E.C., Friday, August 20,1880.