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The photographic news
- Bandzählung
- 29.1885
- Erscheinungsdatum
- 1885
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- Hochschule für Grafik und Buchkunst Leipzig
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- Hochschule für Grafik und Buchkunst Leipzig
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- Bandzählung
- No. 1408, August 28, 1885
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Zeitschrift
The photographic news
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Band 29.1885
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- Register Index III
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Band
Band 29.1885
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- Titel
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THE PHOTOGRAPHIC NEWS. LAvavsT 28, 1885. toucher must use his judgement how far to go in the whole or partial obliteration of these lines of age and ugliness. Qatent Untelligence. Applications for Letters Patent. 9779. S. D. McKellen, 18, Brown Street, Manchester, for “ Improvements in camera metal fittings.”—18th August, 1885. 9966. Henry Charles BaAvx, 119, High Hoad, Kilburn, London, N.W., for “ A portable stand for cameras and other apparatus.”—22nd August, 1885. Patent Sealed. 15,887. William MIDDLENTISS, Holmefield Mill, Thornton Road, Bradford, Yorkshire, for " Improvements in photographic cameras.”—Dated 3rd December, 1884. Specifications Published during the Week. 13,596. Alfred J ULIUS Boult, of 323, High Holborn, in the County of Middlesex, Engineer, for “Gelatine plates, films, or tissues for use in photography, and process of manufactur ing and using the same.” (A communication from George Eastman and William Hall Walker, both of Rochester, New York, United States of America, Manufacturers.)—Dated 14th July, 1885. The claims are :— ■ 1. A sensitive photographic film, consisting of a coating of insoluble sentitized gelatine, a paper or equivalent support, and an interposed soluble coating. 2. In a photographic film, the combination of the support A, the insoluble sensitive gelatino argentic emulsion film C, and the soluble interposed gelatine layer B, substantially as described. 3. In a film for photographic purposes, the combination of a backing sheet or support of paper or like material, the film of sensitized gelatine adapted to withstand the solvent action of water, and an interposed film of soluble gelatine. 4. The process of making photographic films, consisting in applying a coating of soluble gelatine to a suitable support, dry ing the same, and subsequently applying a coating of insoluble sensitized gelatine to the soluble coating, and drying it thereon. 5. As an improvement in the art of manufacturing photo graphic films, the process consisting in applying to a paper or equivalent support a coating of soluble gelatine, and permitting the same to dry thereon, subsequently subjecting said coated sheet to a calendering or burnishing action, and finally applying to the first coating a film of gelatino argentic emulsion, and per mitting the same to dry thereon. 6. The film for photographic purposes, consisting of the paper or equivalent support, the film of insoluble gelatine applied to its back, the film of soluble material applied to its face, and a gelatino argentic film applied to the soluble film, substantially as specified. 7. Asanim provement in the art of photography, the process of producing photographic images, consisting in exposing and developing a sensitive gelatino argentic bromide film, affixed to a suitable support by a layer of soluble material, attaching the developed film while upon its support to a rigid plate, and finally detaching the support from the film by the aid of heat, leaving the image upon the plate substantially as specified. 8. As an improvement in the art of producing photographic negatives, through which to print upon sensitized surfaces by transmitted light in the usual manner, the process, consisting in affixing a film of insoluble sensitive argentic gelatine emulsion firmly to paper or equivalent support, exposing and developing said film, to produce a permanent image therein, and finally attaching said film face down to a plate of glass, substantially as described, the paper support being subsequently removed. 9. As an improvement in the art of photography, the process consisting in first providing an insoluble sensitive gelatine film, fixed by a soluble material to a supporting sheet; second, exposing and developing said film; third, attaching the deve loped film to a rigid plate by means of wax or its equivalent ; fourth, detaching the support from the film ; and fifth, stripping the film from the waxed surface. 10. As a new article of manufacture, an insoluble sensitive gelatino-bromide film, having glycerine incorporated therein, substantially as and for the purpose described. 11. The herein-described photographic film, rendered flexible by means of glycerine, and consisting of the support A, having a layer of insoluble gelatine emulsion, C, attached thereto, sub stantially as described. 12. As a support for the film of sensitive ge’atino argentic emulsion, a flexible sheet coated with a layer of soluble gelatine, and calendered on the coated surface, substantially as described. 7422. Charles Wells, of 18, Walker Terrace, Plymouth, in the County of Devon, Gentleman, for “ A method of recording by photography the degree of accuracy in aiming ordnance.” —Dated 18th June, 1885. The patentee claims the combination of camera with reticu lated or marked field or plate, and a shutter capable of being operated by the act of firing the gun, the whole for the purpose of photographically registering the degree of accuracy of the gunner’s aim. 3581. Alfred Peter Sharp, of 17, Great Brunswick Street, Dublin, Marble Mason, for “ A photographic dark slide for negatives on paper.’’—Dated 15th July, 1885. The claims made by the Patentee are as follows 1— 1. In a dark slide for photographic purposes, the arrange ment of a coil of paper, whereby the same can be used with or without a loose roller, substantially in the manner herein de scribed and set forth. 2. The use of the spring roller, in combination with the measuring roller, substantially for the purpose and in the manner specified. 3. In a photographic slide, the method whereby a perfectly flat surface of the paper- is obtained without tension, substan tially in the manner herein described and set forth. 4. The method of fixing the free end of the paper to the receiving roller, by threading through a slot formed in roller, substantially as herein specified. 5. In a dark slide, the method of causing the paper to be automatically marked by means of a spring in the act of open ing or drawing the cover of the slide, substantially as described and set forth. 14,951. Lewis Wright, 7, Beaumont Road, Hornsey Rise, Middlesex, Gentleman, and Herbert Charles Newton, 3, Fleet Street, London, E.C., Optician, for “Improvements in oxyhydrogen and other lantern microscopes.”—Dated 3rd July, 1884. The claims of the patentees are :— 1. In a lantern microscope the general arrangement of the lenses, substantially as described, whereby we are enabled to convey nearly the whole of the light falling from the “ radiant ” on to the object to be shown. 2. In a lantern microscope, the use, in combination with an alum trough, of a plano-concave lens, such lens being, by pre ference, balsamed to the trough, all substantially as and for the purpose set forth. 3. In a lantern microscope, the combination, with a stop diaphragm, of spring fingers, or clips, or other suitable holding device, whereby the use of a stage for carrying the object is dispensed with, substantially as set forth. 4. In a lantern microscope, the use of a coned or prismatic lens or series of lenses, substantially as and for the purpose set forth. IN SEARCH OF THE PHOTOGRAPHS AT THE ANTWERP EXHIBITION. “ Ought we to go to the Exhibition, do you think ? ” said my friend Boscombe, doubtfully. We are on the Scheldt in the early morning. We have congratulated each other on the smooth passage from Harwich mercifully vouch safed to us, and are standing on the deck of the Great
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