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The photographic news
- Bandzählung
- 6.1862
- Erscheinungsdatum
- 1862
- Sprache
- Englisch
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- F 135
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- Hochschule für Grafik und Buchkunst Leipzig
- Digitalisat
- Hochschule für Grafik und Buchkunst Leipzig
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- http://digital.slub-dresden.de/id1780948042-18620000
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- Bandzählung
- No. 207, August 22, 1862
- Digitalisat
- SLUB Dresden
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- Wahlperiode
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Zeitschrift
The photographic news
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Band 6.1862
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- Register Index 619
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Band
Band 6.1862
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August 22, 1862.] THE PHOTOGRAPHIC NEWS. 399 set up to drain and dry. If it is required for photographic PurPoSes, it may be used at once, only needing perhaps a polish with fine leather or cotton wool; but if it is intended toutilise the brilliant reflecting surface which the metallic mirror presents, it must be varnished. The inventor prepares the varnish of the following materials, viz. : gum dammar 20 parts, asphalte (bitumen of Judea), 5 parts, gutta-percha 5 parts, benzol 75 parts. This varnish dries, and sets hard on the surface, and the glass is then ready for use as may be ‘equired. Instead of varnish a layer of copper may be de posited over the silver by the electrotype process, and if this 2 made of a suitable thickness, the two metals may together be stripped off the glass, producing a - sheet of highly polished plated copper. Plates and surfaces of other non- Ahsorbant materials which will not act chemically on the silver solution may be coated with silver in the same manner 8 plates of glass. In order to silver paper, woven fabrics, and other materials, the metal is first deposited on to a plate glass as already described ; then a varnish is poured over the silvered surface, consisting of one part of gum lac dis- lolved in from six to ten parts of wood spirit. When this polish is dry and hard, a solution of one part of gelatine 111 from six to ten parts of water is also poured over, and Allowed to set into a jelly ; the paper, leather, woven fabric, " other similar material to be silvered, is then laid on and Pessed in contact with the jelly, when it is left to dry Boronghly; afterwards the material with the silver is "tipped from the surface, and the process is complete. This Process, which we ought to state is patented, is likely to Prove of considerable use to electrotypists in coating their Moulds of wax, gutta-percha, or similar material, with a Condncting film ; the article will only require to be placed ln this prepared silver solution for it to become in the short We of twenty minutes or half-an-hour thoroughly coated "ith a metallic film of the reduced metal. (ritital Zlotttes. r POTOGRAPHS OF VIEWS AND ARCHITECTURE IN CAMBRIDGE. By W. Mayland. T Ws series consists of a variety of landscapes in the neigh- torhood of Cambridge, and of interior and exterior' views *>me of the architecture in that city. As a whole, these ptographs are worthy of high commendation, the subjects are Resting, the treatment is artistic, and the photography iry faultless, the delicacy of manipulation reminding us Dany respects of the pictures of Mr. Vernon Heath. a The Robinson Crusoe, from Sheep’s Green,” is a 12 by 10 Ahtograph of a noble old tree, the spreading limbs and (r^]ul foliage of which are beautifully rendered. A great ndrm about this picture is found in the entourage of the B3which is the principal object. A rustic cottage, em- dinsred in foliage, small trees, and shrubs, with water in 'foreground, reflecting the foliage, all combine to produce t,e"Aturesque effect. An opening in the foliage, showing of Windings in the river, and giving distance, and a couple ing-onths fishing, helping the composition without disturb- At repose or destroying subordination, complete the ftehe Library, Trinity College,” is one of the most per- Gentypteriors we have met with. The noble and magnifi- ap aY eguipped and arranged library, presents a vista of wjojently from a hundred and fifty to two hundred feet, the fun'' । which possesses satisfactory definition in every 'Mell' Perfection of which, and of the half tone and tonocng throughout, gives a most marvellous effect of Iemort ar relief, scarcely surpassed in the stereoscope. A Hken indum on the corner informs us that the negative was evelon winter, with an exposure of fifteen minutes, iron lnsfopment, and the f ull aperture of a Dallmeyer's triple neheg, naby 10 plates. This print is 134 inches by 101 ’ "d possesses very satisfactory definition. The pic ture is both soft and vigorous ; brilliant and full of relief, but without black shadows or patches of white without drawing. “ Kings College Chapel ” is an excellent piece of photo graphy, but scarcely an artistic picture, the building com pletely filling the plate; there is sufficient definition up to the edges of a picture 13} inches by 10} inches, and vigour- ous freedom from distortion, the architectural lines being perfectly straight at the extreme edges. “ St. John’s, from Trinity,” is a tine landscape, with the river in the foreground, the distant college being seen through an avenue of well defined foliage. “ King’s College from King’s Meadows,” and “ Ditton,” are two equally fine pic tures. “ Thorwalsden’s Statue of Byron in the Library of King’s College,” is a very perfect photograph, well rounded and soft, of a noble piece of sculpture. The interior of the library, indicated but not made out, forms an excellent back ground for the statue. “ The Avenue, Trinity College,” is a charming piece of photography of a good subject. The sun glancing through the trees, athwart the avenue, and interlacing the walk with the long cast shadows of the trees and their branches, giving it a most fantastic effect. “ King’s College Chapel.” This is a vignetted print of a very pleasing composition ; the many pinacled building is in the middle distance, the foreground consisting of a mass of fine foliage. The time is winter, and the boughs of the leafless trees bend under heavy masses of snow, which is very finely rendered. Two views of the interior of Trinity Chapel, one looking east, and the other looking west, are marvellously fine views of a very noble building. Every detail of the old and dark carving is made out, the shadows are rich and transparent, and the prints are full of relief and vigour. The negatives were taken by a 0 by 5 triple, but these prints are 7} inches by GJ inches, thus giving a very wide angle, including a large portion of each side of the interior, whilst the defini tion is very fine throughout. The stereoscopic effect given by these single pictures is very striking. A view of the cloisters in Trinity College has the same characteristic. This is a very charming photograph, the lighting, the point of view, the amount of softness and detail, and great brilliancy, all displaying the taste, judgment, and manipu latory skill of the operator in a pre-eminet degree. We recently referred to Mr. Mayland’s card portraits as amongst the finest in the International Exhibition: the series before us affords evidence that his skill in landscape and architectural photography is not inferior to the ability dis played in his portraits. The artistic qualities of his pic tures are good, whilst in care, delicacy, attention to minute details, freedom from slovenliness or manipulatory faults, uniform and good printing, they are unsurpassed. PHOTOGRAPHS FROM ENLARGED NEGATIVES. By W. H. WARNER, of Ross. London: H. S. WAnR, High Holborn. Oue readers will recognize the name of Mr. Warner as' a frequent correspondent in our columns, and they will also be familiar with his announcement in our advertising pages, undertaking to produce enlarged negatives for amateurs and the profession. The photographs before us are speci mens of the excellence to be obtained by the method of enlargement adopted, which is that described in the Puoro- GRAPIIIC News Almanac for this year, and brought into re cent notice by Mr. Heath’s paper, at a late meeting of the Photographic Society. The method consists in producing an enlarged negative from a small one at two operations, a transparent positive being first obtained, and from that another negative. The whole of the specimens before us are on whole plates, and are enlarged from stereoscopic nega tives ; the amount of enlargement is not, of course, limited to this proportion, but Mr. Warner finds that an enlarge-
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