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The photographic news
- Bandzählung
- 12.1868
- Erscheinungsdatum
- 1868
- Sprache
- Englisch
- Signatur
- F 135
- Vorlage
- Hochschule für Grafik und Buchkunst Leipzig
- Digitalisat
- Hochschule für Grafik und Buchkunst Leipzig
- Digitalisat
- SLUB Dresden
- Lizenz-/Rechtehinweis
- Public Domain Mark 1.0
- URN
- urn:nbn:de:bsz:14-db-id1780948042-186800009
- PURL
- http://digital.slub-dresden.de/id1780948042-18680000
- OAI-Identifier
- oai:de:slub-dresden:db:id-1780948042-18680000
- Sammlungen
- Fotografie
- LDP: Historische Bestände der Hochschule für Grafik und Buchkunst Leipzig
- Strukturtyp
- Band
- Parlamentsperiode
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- Wahlperiode
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- Bandzählung
- No. 516, July 24, 1868
- Digitalisat
- SLUB Dresden
- Strukturtyp
- Ausgabe
- Parlamentsperiode
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- Wahlperiode
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Zeitschrift
The photographic news
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Band
Band 12.1868
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- Titelblatt Titelblatt I
- Kapitel Preface III
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- Register The Index To Volume XII 619
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Band
Band 12.1868
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- Titel
- The photographic news
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July 24, 1868.] THE PHOTOGRAPHIC NEWS. 359 Walk in tbe Studio. A Valuable Toning Bath.—A correspondent signing “ Silex ” says Mr. Bovey lately gave us an unfailing toning bath. 1 can give you another, but mine is not a new one. However, it is worth repeating. I have used it for two years without a single failure, and with several samples of paper. Before that time I had used the acetate, but, like Mr. Bovey, I found there was no certainty with it. As sometimes a new bath, mixed only twenty-four hours, often refused to tone at all, I purchased the following formula from a travelling pro- cess-monger for 10s. 6d., and I have felt thankful to him ever since. I think it has since been made public in the News. It is this:—3 grains chloride of gold, 20 grains chloride calcium, about half a teaspoonful of powdered chalk, 20 ounces common water. It must be mixed twenty-four hours before use, or with boiling water one hour will be sufficient. It never refuses to tone, and will keep ; and more gold, chalk, and calcium may be added to it, although I generally make it fresh after re newing it two or three times. I never saw a mealy print produced by it.”—[The examples sent to illustrate the action of this bath are very excellent.—Ed.] Another Photographic Detection of a Murderer.— The brutal murder of the wife of a coffee house keeper in Norton Folgate, and the escape of the murderer, a youth of nineteen, will be fresh in the minds of many. He has been recently discovered solely by means of a photograph. A youth, giving the name of George Jackson, was recently com mitted to Maidstone Gaol for a theft at Woolwich. As we have before explained, photographs of prisoners and persons " wanted ” are circulated amongst our prisons as a means of detection or identification. Among others, the photograph of the boy Andrew Mackay, the absconded murderer, was sent to the prison. For some time it did not appear to have at tracted any attention, but a thought suddenly seemed to have struck a warder belonging to the prison that the boy Jackson, who was under his charge, resembled one of the photographs of persons who had absconded after the commission of a crime. In consequence of this he communicated his suspicions to Major Bannister, the governor of the prison, and examined the photo graph carefully, and this confirmed the suspicion he had enter tained previously, that the prisoner George Jackson wasin reality the murderer Andrew Mackay. He took an opportunity upon this to enter into conversation with the prisoner, and in the course of it ho asked him if ho had over gone by any other name j than George Jackson, and ho at once replied that his name was Andrew Mackay, and he admitted that ho was the person who was charged with the murder in Norton Folgate. Major Ban nister at once telegraphed to London to Serjeant Dunnaway, an officer of the metropolitan police, and ho went down to Maidstone yesterday, accompanied by a person who was acquainted with the lad Mackay, and who at onco identified him as the person against whom the coroner’s jury returned a verdict of wilful murder. Photography in Chicago. — A recently established American “ Art Journal ” of considerable merit gives, in its notices of “ Art Teaching and the Studios ” in Chicago, a highly complimentary notice of the new establishment of our old friend Mr. Carbutt, whose occasional articles our readers are always glad to find in the News The critic points out the fact that Mr. Carbutt is catholic enough is his taste to exhibit conspicuously in his gallery examples by the best artists of Paris and London, amongst the latter our friend Mr. Blanchard is mentioned, expanded into a firm as “ Valentine and Blanchard.” Newman’s Diamond Varnish —We have received from many correspondents very warm praise of Newman’s diamond varnish, and our own experienco has confirmed all we have heard. We always avoid, however, giving notices of any article which might bo construed into puffing. We hold that it a good thing bo kept prominently before the public, by the legitimate process of advertising, it will make its way without puffing. A fact regarding this varnish has, however, just been biought under our attention which ought to be recorded. A correspondent states that a negative varnished with it was left out recently the whole of a wet night, and then, when taken in, the print was forgotten until it was dry and firmly stuck to the negative. The print was, however, again moistened, and, by the aid of a little care, removed without the varnished surface of the negative suffering the slightest injury. Bromo-iodized India-Rubber. — A method has been patented in. the United States of incorporating india-rubber with bromine and iodine instead of with sulphur, which is generally used in producing vulcanized india-rubber. By adding to iodine one-half its weight of bromine, proto-bromide of iodine is formed, and this, when combined with rubber or equivalent gum, will produce a composition which will harden on being subjected for about an hour to a heat of 250° Fab. Owing to the volatile properties of proto-bromide of iodine, it cannot be applied without difficulty to practical purposes. To obviate this difficulty, we treat both the bromine and iodine, prior to combining the same, with oil of turpentine, or similar oil, which has previously been mixed with about one-fourth its weight of sulphuric acid, to prevent the formation of an explo sive composition. The pasty mixture produced as above de scribed is combined with caoutchouc or equivalent gum, in the proportion of about three ounces of the paste to a pound of gum, the proportion of gum being increased if a more elastic product is desired. Can any photographic use be found for such a compound ? Black Varnish.—An aniline black varnish, of recent Parisian production, is the following :—In a litre of alcohol, 12 grammes of aniline blue, 3 gr ammes of fuchsine, and 8 grammes of naphthaline yellow are dissolved. The whole is dissolved by agitation in less than twelve hours. One application renders an object ebony black. The varnish can be filtered, and will never deposit afterwards.— Scientific American. A PHOTOGRAPMEE in Canada advertises as follows : — “ De ceased persons taken at their own residences.” “ Parties wish ing to learn the business can do so cheap.” A Western Artist (?) in “ An Ode to All,” gets off the follow ing in his circular :— " Oh, who would live where Art is unknown, Where shadows of dear and loved ones are not? Perhaps of those who for country died without a groan, Or even of those who went of too much ‘ pot.’” “Fixing a Dye.”—A report on the colouring matters de rived from coal tar shown at the French Exhibition has the following :—“ A dyer, like all others of his craft at that time, was busily occupied experimenting with the aniline dyes. Amongst other things he tried a reaction which had been de scribed by M. Lauth at the end of 1861, viz., that of aldeliyd on a sulphuric solution of aniline rod. In this reaction a substance is produced which gives to solutions an extremely evanescent blue colour. M. Lauth had given up all idea of utilizing this blue colour in practice, and M. Cherpin endeavoured to fix the same colour on silk or wool with similar want of success. His attempts, although fruitless, were incessantly renewed, ex hausting h is purse, but not his patience. One day, however, discouraged at the want of success attending some recent ex periments on which he had founded great hopes, he was on the point of relinquishing the attempt at conquest over this fugitive blue, when the idea struck him to confide his troubles to an old friend, a photographer. ‘ A trouble shared is a trouble halved,’ says t'he proverb. Cherpin proceeded to test this saying, and experienced the reward of his perseverance and his confidence in the consolations of friendship. He found his photographic friend, and confided to him the history of all his hopes, his ex periments, and his fruitless results.—‘ Fix the blue ? ’ said his friend. ‘ Is that the only difficulty ? Why it’s the easiest thing in the world ! Have you tried hyposulphite of soda ? ’— ‘ Hyposulphite of soda ? Mon Dieu, no! Do you think it will fix my colour?’—‘Of course it will. Don’t you know that hyposulphite of soda is the fixing agent excellence, and that when we want to fix anything in photography, that is the substance we always employ ? ’ Happy he who possesses faith! Cherpin tried hyposulphite of soda, and his joy and admiration of the chemical knowledge of his friend may be imagined when he saw his blue colour metamorphosed into a splendid green, this time perfectly stable. It is scarcely necessary for us to add, that the mode of action of hyposulphite of soda in this case is entirely different from its photographic action, and that it would be quite impossible to predict the one by knowing the other. This anecdote contains a moral. It shows, in our opinion, not the result of chance—for that is common to all the world, for where is the discovery to which chance has not more or less contributed?—but it shows the power of
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