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The photographic news
- Bandzählung
- 29.1885
- Erscheinungsdatum
- 1885
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- Englisch
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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. 1385, March 20, 1885
- Digitalisat
- SLUB Dresden
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- Parlamentsperiode
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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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MARCI 20, 1885.J TAE PHOTOGRAPHIC NEWS. 191 PHOTOGRAPHERS’ Benevolent Association.—Such photo graphic assistants as are located in the Leeds or Bradford dis tricts, and who are willing to co-operate in the formation of a branch, are requested by Mr. W. T. Wilkinson, North Parade, Otley, to communicate with him. Manchester Lantbrnists’ Association.—We are desired to call attention to the above Association, and to correct a mis apprehension that it is in some way connected with an “ amateur photographic (social) club.” It is, we are informed, a purely in dependent Association, and not intended to clash in the slightest degree with the Manchester Photographic Society. The objects of the Lanternists’ Association are to have lantern meetings monthly ; to give and receive instructions in lantern manipula tion, preparation, and production of photographic lantern slides, colouring, scientific projection, &c. INTERSATIONAL Inventions Exhibition.—The opening cere mony is to take place on Monday, the 4th of May, and it appears that no less than a quarter of a million copies of a special “ In ternational Inventions Exhibition Bailway Guide ” are to be circulated by post. Should the Council adhere to their ill- advised determination of opening a portrait studio in the build ing, and carrying on a general photographic business in compe tition with outsiders, it is quite possible that photographers may neither look upon this wide publicity with satisfaction, nor may feel inclined to assist in any future enterprise at South Kensing ton. A Scramble for Negatives.—Fleet Street one day last week was plunged into a state of confusion and turmoil, and all on account of photography ! An old-established firm of photo graphers were clearing out their stock of waste negatives, the accumulation of years ; and while the porter was absent getting more negatives, some fifteen or twenty boys clustered round the truck like bees round a sugar-cask, and helped themselves and their friends from the store. The porter brought down a couple more hampers, and did not notice the peculation going on; but on arriving with the last instalment, which he carried in a zinc pail, the crowd had so increased in numbers and daring that he couldn’t very well help noticing its proceedings. One unlucky lad he immediately pounced upon, and forced him to disgorge, and, to prevent further requisitions, began smashing up the negatives with his pail until the truck was full of frag ments of glass. Having sufficiently pulverised the contents, he was about to wheel away the truck, when someome, disappointed of his share of the spoil, threw some dirt in his face. Instantly the truck was put down, and the tormented porter was in full cry after his assailant, followed by one half of the crowd, while the other half remained to rummage the truck, and rescue the undamaged negatives. Pursuer and pursued came to close quarters in Bouverie Street, where the bystanders were dis appointed of witnessing a scrimmage by the prompt appearance of a policeman. A separation was effected, and the porter walked back to his truck, which he got away without further molestation. But in the meantime all the vendors of news papers, the loafers, the errand boys, and the “ printers’ devils ” of Fleet Street were possessed of photographic art treasures, and the criticisms passed upon them were certainly more forcible than polite. We have not heard of a rush to the nearest photographic dealer for albumenized paper and printing-frames. Fire in New York.—The laboratories and shops of the Electric-light Engraving and Printing Co., 22, College Place, New York, Wm. Kurtz and A. Ringler, proprietors, were des troyed by fire on the morning of the 8th inst. Business has been resumed in other quarters.—Photographic Times. A Photographer’s Cat.—The intelligent posing cat Sneezer is a half-tiger cat, reared beneath the shadow of classic Yale, and the property of the photographer George C. Phelps, of New Haven, Conn. Mr. Phelps whistles. Sneezer comes from any part of the building, springs up on the chair, puts his fore paws on the back, and fastens his large eyes on those of the child, as much as to say, “ Now, look at me for a second.” Usually the babe becomes quite interested, and remains quiet long enough to obtain an instantaneous negative. In case of success, Sneezer jumps down and awaits the next customer ; otherwise he performs tricks, which no child can resist. Even adults are inveigled into a proper pose by this clever animal, who can soon banish a look of care or austerity. “ Shake hands, Sneezer,” Mr. Phelps will say. Up comes the white paw. “ Speak 1 ” Sneezer says “Meow.” “Louder, old boy!” Out comes a screech that would make the managers of a cat concert turn green with envy. Sneezer has a broad intelligent face, but he is vain, and delights in looking into the mirror. He knows Mr. Phelps’ footsteps—and his greeting, when his master returns after an absence, is human. During nine years he has not travelled beyond the confines of his habitation, but here he has, in the language of cats, conversed with many of the illustrious men who linger in the shadows of old Yale.—Harper’s Pazaar. How he would make A PIsTOLAGRAPH.— An interviewer of the New York Tribune writes thus :—“ ' Now,’ continued Mr. Rookwood, ‘ I’ll tell you how to make a pistolagraph. Take the stock of an ordinary pistol; in place of a barrel, put on a little half-inch objective or portrait combination lens, with a focus of say an inch. In place of the hammer, trigger, and spring, we fit on a little dark chamber, in which could be arranged an adjust able or fixed focus, the little sensitive plate. A spring worked with a trigger could instantaneously open or shut the lens, while small plate-holders could be carried in the pocket, to be inserted as those in the dark chamber were used up. The whole con trivance would occupy less space and be lighter to carry than an ordinary bull-dog pistol. Its uses are apparent. Armed with it, a policeman could photograph any number of suspicious characters on his beat whom he did not feel justified in arresting. In fact, he could ‘take ’ them without ‘ running them in.’ ” Our readers had better not attempt to use a “ pistolagraph ” in London. , “The Illuminating Power of Ethane and Profane. —By Dr. Percy F. Frankland.—In continuing his researches on illuminating gas, the author has determined the illuminating power of ethane and propane. The gases were prepared by the action of the zinc-copper couple on ethyl and isopropyl iodides respectively, and then subjected to purification by passing them through bromine. The illuminating power of ethane, when con sumed from a “ Referee’s burner,” at tho rate of 5 cubic feet per hour, was found to be 818 candles, and that of propane 53-3 candles. The illuminating pow er of ethane is thus almost exactly half that of ethylene (68'5 candles), whilst that of propane is 1-3 times as great as that of ethane. From these results it appears that in the paraffin series of hydrocarbons, excluding the first member, methane, the illuminating power is directly proportional to the number of carbon atoms in the molecule.—Proceedings of the Chemical Society. How to get Potable Water when on an Exploring Ex pedition.—Major Fielding, in a communication to the Society of Arts, says :—“ In most countries subject to drought, the water requires special treatment; mechanical filtration is seldom prac ticable, or even safe. I have come across it as thick as pea soup, and sometimes covered with a growth of green or red weeds. In such cases, the first operation is that of skimming with a skimmer made out of a forked stick, with a pocket handkerchief or other piece of linen stretched tightly between the forks. This done, scatter a pinch of powdered alum into the vessel in which you have collected the skimmed water ; this will cause a great deal of the matter in suspension t> precipitate. Then pour the water slowly into a filter filled with the charcoal of your last night’s camp fire, mixed with any sand or fine gravel which may be obtainable, and which you have previously washed. It must then be boiled, and skimmed whilst simmering, and only when no more scum arises ou the water is it really fit or safe to use.” Separation and Determination of Methylic Alcohol in Presence of Ethylic Alcohol, by C. De Poncy.—The pro cess is based on the fact that methyl oxalate dissolves readily in water, whilst ethyl oxalate is sparingly soluble, and both oxa lates form with ammonia amides perfectly insoluble in water. In 10 c.c. of the alcohol in question there are dissolved 10-8 grms. oxalic acid, and the solution is saturated with hydrochloric acid gas. After standing for twenty-four hours in a well-stoppered bottle, 2 c.c. of the solution are mixed with 10 c.c. of water, shaken up and filtered. As methyl oxalate is completely soluble in water, there is obtained, on adding ammonia, more amide than if any equal quantity of pure ethylic alcohol had been employed. By a number of experiments we may ascertain the quantity of oxamide formed in the washing waters of the ethylic oxalates. For absolute alcohol the mean is 6 6. For methyl oxalate the mean is from 1465, and 15 per cent, on the quantity of the methylic alcohol. If a mixture of methylic and ethylic alcohols is etherified, shaken up with water, and the filtrate mixed with ammonia to precipitate the amides, the pro portion of methylic alcohol may be calculated from the quan tity of oxamide obtained. For every one per cent, of methylic alcohol we obtain from 0-14 to 0'15 more than 6'6 per cent,—■ Chemical News.
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