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The photographic news
- Bandzählung
- 7.1863
- Erscheinungsdatum
- 1863
- Sprache
- Englisch
- Signatur
- F 135
- Vorlage
- Hochschule für Grafik und Buchkunst Leipzig
- Digitalisat
- Hochschule für Grafik und Buchkunst Leipzig
- Digitalisat
- SLUB Dresden
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- Public Domain Mark 1.0
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- urn:nbn:de:bsz:14-db-id1780948042-186300004
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- http://digital.slub-dresden.de/id1780948042-18630000
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- oai:de:slub-dresden:db:id-1780948042-18630000
- Sammlungen
- Fotografie
- LDP: Historische Bestände der Hochschule für Grafik und Buchkunst Leipzig
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- Parlamentsperiode
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- Wahlperiode
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- Bandzählung
- No. 251, June 26, 1863
- Digitalisat
- SLUB Dresden
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Zeitschrift
The photographic news
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Band
Band 7.1863
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- Titelblatt Titelblatt -
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- Register Index 619
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Band
Band 7.1863
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- Titel
- The photographic news
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June 26, 1863.] THE PHOTOGRAPHIC NEWS. 311 ! sine qua non with iron salts in development.—? I yours faithfully, William BARTHC p,z... 7 No. 1000 I am, Sir, William BARTHIOLONIEW. Egham, J une 23rd, 18G3. A9qotograyhic alotes an (Sumcs. R. H. DYBALL, Photographer. respectfully, IRON DEVELOPER WITHOUT ACID. , containing a My bath works well for the wet process, thirty-five grains to The collodion also works well for the wet process, though it is several months old. If you can explain this failure, I shall be extremely obliged. Mr. Werge may well guarantee that there is * Upon inquiry I find there is no such place. 3 ounces 10 „ from which you will see that the amateurs are lively as ever. Mr. Guillou, of Philadelphia, has sent me some blue photo graphs which are quite curious and very beautiful. For some subjects this process (published in The Print) may be desirable, but it never can be used in any portraiture. Some interest is excited here by H. T. Anthony’s oxide of silver process. 1 have made some prints by it with great success, and am determined to adopt it in future practice. At the next Club Exchange I intend exchanging prints made with only fifteen grains of silver to the ounce of water. ho paid me a visit the day following, and during my temporary absence from the waiting room ho made his exit with my great coat, the loss of which I did not discover until about three hours afterwards. As near as I can remember his description ho is about 5 feet 8 high, dark complexion, small black whiskers, dressed in a black coat, black or dark diagonal pattern trousers, gave the address of Mr. Campbell, 6, Church Street, Knights bridge.® The publication of this in your well circulated News may probably put others on their guard.—I am, sir, yours [We have used the saccharo-sulphate of iron in very strong solution, with not more than a fourth of the usual amount of acid with advantage. It gives a denser and a browner image than the ordinary iron developer. We may here mention in answer to several who have made inquiries, that Messrs. Hopkin and Williams at our request, prepared some of the saccharo-sulphate, and are doubtless prepared to supply it.— Ev.] 8, Lower Notting Hill Terrace, June 23,1863. [We may here add another caution. An artist (possibly the same man) called upon a friend of ours, a first-rate photographer, and by a variety of considerations induced him to let him have some specimens to colour, on the distinct understanding that they were simply to illustrate his abilities and not to bo paid for unless approved. Iio also borrowed some other coloured specimens as guides as to style. When he brought back his work the photographs were spoiled, and had become miserable daubs. He however demanded payment, alleging that ho had painted them to order, and on meeting with an indignant refusal, lie declared that ho should keep the other coloured specimens lent to him, worth several pounds, until ho was paid. So the matter stands.—Ed.] DKY Plate Trouble. Sir,—I shall esteem it a great favour if you will afford mo any information which may explain the following failure:— 1 prepared a plate for the dry process, as described by Mr. Hislop, using Ponting’s bromo-iodized collodion, as recom mended. I kept this plate three weeks in a light, tight box, then Process. Nitrate of ammonia Filtered water Caution. Dear Sir,—On Thursday last a shabbily dressed man applied to me for work as an artist, pitching a sad tale of distress owing to his wife being an inmate of Hanwell Lunatic Asylum, trade being bad, &c., &c., his tale somewhat exciting my sympathy, I directed him to call again witli specimens of iris capabilities ; tainly does do 75%, and does it well. This statement is due to the manufacturer, and I freely make it. Photographically speaking, we have a dearth of news on this side the ocean, although the business of galleries and stock-dealers never was more brisk. I enclose The Print weeks after exposure—before development? I obtained some of Werge's plate-cleaning fluid, as recom- su. v 1. .mended in the last number of the News, and find it most _l-.lv acid being,present, and it is Bo 1 efficient. It is evidently nothing but uniodized collodion and a [ methylated spirit. given to understand that the globe would take in 90°, which 1 think was not so. I know nothing of optics and, there fore, may be wrong when I say my idea of 90° is to set the lens thirty-seven and a half feet from the ground at a distance of thirty-seven and a half feet from a building seventy- five feet high and take in the whole height without curved lines or other distortion. The Harrison lens, however, cer- Shake up and thoroughly dissolve, and add moist oxide of silver to saturation. The moist oxide of silver is prepared by adding to a pint of twenty-grain solution of nitrate of silver caustic potash till all the oxide is precipitated. Wash the precipitate thoroughly to clear it of potash, and put all this wet oxide into the nitrate of ammonia solution. There will settle undissolved to the bottom of the bottle some oxide, which surplus serves to keep the bath saturated, and also to keep it clear. Add three drops of nitric acid to the ounce, and sensitize the paper by floating half a minute. After the paper is dry put it in the fuming box as usual before printing. If the albumen is soft and dissolves in floating, then add more nitric acid, and fume in the ammonia fuming box for a longer time to counteract the acid. The extreme economy of this proccsss is its recommendation. I will forward you some of those prints as soon as 1 get to rights in my “ great den.”—Very respectfully yours, F. F. Thompson. Dear Sir,—I have seen no remarks made on the formula for developing solution by M. Kaiser of Leyden (seo Puoro- gbaphic News, May 29th); its importance has seemed to me to make it worthy of investigation and trial, and from the perfect success of my first essay in development with iron » * ... • , without acid, I am convinced that it needs but to be made exposed to a sunlit view (twelve o clock) tor one minute, using known again to be fully tried. I Dallmeyer s No. 1 triple, half-inch stop. ■ Upon developing, not I employed honey in place of sugar of milk as directed theqyery faintest appearance of an imago was visible. i \r K - i !c u :01 r ’ , —-e-. , This I do not understand, tor though the plate may have by M. Kaiser, am < y j perform the experi- i been under-exposed, surely some trace of a picture should have mentof dissolving about equal parts of honey and water [ been found? together (or make a strong solution of 1 ,,, g . 01 „n.0. • «.. r , - few grains (10 or 12 or so), of sulphate of iron per ounce, 1 the ounce,—very slightly acid with acetic acid, adding no acid, and mixing with it some nitrate silver solu- ‘The nollodinn elen works wall for the wet m ton, ns in developing, he will at once perceive the great lapse of time before the decomposition of the nitrate silver . . will set in, far longer than with acid and iron developer. I Are you aware whether the tannin and honey process still next sensitized a plate, exposed, and developed it into gives satisfaction? and whether the plates will keep-say three a clear vigorous and dense picture, using a lite developer weele amnene—hefore develonmant9 viz., sulphate iron, honey, and water ; it may be an accele rator as M. Kaiser says, no acid being present, and it is s anomalous, after the hitherto received belief of acids being . i Ihad been in the habit of using old collodion and alcohol, the globe lens includes less subject by several degrees than the square cut I the action of which is precisely the same, though rather more from the circle given by the triple. We shall send the prints in question to I expensive. M. \r--- J - n-s our correspondent for his examination. We are not undervaluing the I - capabilities of the globe lens, which is an ingenious invention, and for some purposes will be found useful ; but we do not regard it as equal in general utility, or in the extent of angle embraced, to the triple lens.—Ed.
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