Volltext Seite (XML)
THE PHOTOGRAPHIC NEWS. Vol. XXIX. No. 1380.—February 13, 1885. CONTENTS. PAGE The Cylindrograph—A Panoramie Camera, Devised by Captain Mocssard ; 97 Our Supplement—“Early Spring at Fitzroy Farm,” by E. Dunmore 97 Colour in Developed Images. By W. E. 98 A Talk About Lenses. By W. Wheeler 98 The Now Rapid Printing Paper. By Walter D. Welford 99 Reviews 100 Systematic Recovery of Gold and Silver in Silver Printing. By W. D. Valentine 101 An Improvement in Lens Screws. By George Smith 102 PAGE .. 102 .. 103 .. 104 .. 105 .. 105 .. 10G .. 106 .. 107 .. 107 .. Ill .. 112 On the Rapid Printing Paper. By Leon Warnerke Emulsion Making. By F. Notes Patent Intelligence The Rapid Printing Paper. By W. T. Morgan Enlarging Upon Gelatino-Chloride Paper. By J. Geddes Water Supply for the Dark Room Correspondence Proceedings Talk Answers to Correspondents THE CYLINDROGRAPH. — A PANORAMIC CAMERA, DEVISED BY CAPTAIN MOSSARD. In the first number of the Journal of the newly-formed Photographic Society of Versailles (see page 63), there is a description of Captain Mossard’s new panoramic camera, and while reproducing the illustration by the Meisenbach process, it seemed to us worth while to give our readers a phototype copy of the whole of the page upon which the photograph appears. S Ccnumm icalunu^-- Qp pavccic Ganoxam ique. it CyCindzosup 6 • e&tea fe Gapkancz2Tlossaz. pineired deC iubBeuvnenrs. - i une degu c- minenl Butdta PQR; The Bulletin de la Societe Vereaillaise de notograpbie, as we have stated in a previous number, is printed by auto graphic lithography, and silver prints are used as illus- UI aUlOnIS. Many forms of the panoramic camera, ip which the objective rotates on a vertical axis, have been devised, the apparatus best known in Great Britain being that of Harri son and Johnson ; but for simplicity of construction, it appears to us that Captain Mocssard carries off the palm. The camera consists of two nearly semi-circular pieces of wood, one of which forms the top of the instrument, and the other the bottom, as indicated by the block. The lens (a doublet) is attached to an axis which turns, as shown, on the flat side of the camera, a flexible front serving to keep the light from entering. The sensitive surface is a film bent to a curve corresponding to a radius equal to the equivalent focus of the lens, and to confine the action of the lens to a narrow vertical strip, a pair of cardboard screer s are attached to the lens frame inside the camera. The dark slides are made of a flexible material, so that they are flat when out of the camera, and the draw screen is a curtain which is wound off on a cylinder shown on the left-hand side of the photograph. The exposure is made simply by moving the lever con nected with the objective round the arc at the back of the instrument, and the inventor points out that it is easy to adjust the exposure by varying the speed. The apparatus of Captain Mocssard appears to be ex cellently well adapted for use with the gelatino-bromide paper which is now put in themarket for negative making. OUR SUPPLEMENT.—" EARLY SPRING AT FITZROY FARM,” BY E. DUNMORE. ‘ An admirable picture, truly,” we can almost hear a critic saying; “ but look at the subject; who could not make a good photograph with such a subject before him? ” Our imaginary critic, who can see nothing in it but whit anybody else could have done, would perhaps have been compelled to take a somewhat more enlightened view of the case had he been at a recent meeting of the Photo graphic Club, when the photographs taken by the members at the out door gatherings were exhibited. Among the subjects chosen, “ Fitzroy Farm ” seemed to occupy by far the most prominent place, and it seemed as if every member of the Association had taken several negatives of this locality. Among the numerous pictures shown were productions of almost every degree of goodness or badness, but there were not very many that could be fairly described as ‘‘execrably bad ; ” smaller, however, was the number of very decidedly good pictures. Prominent among those of this latter class we noted two, but these bore no name. They proved, however, to be the work of Mr. Dunmore, the Secretary of the Club. We much wish we could reproduce the whole series of photographs, good and bad, just to shame our supposed