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The photographic news
- Bandzählung
- 6.1862
- Erscheinungsdatum
- 1862
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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. 219, November 14, 1862
- Digitalisat
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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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548 THE PHOTOGRAPHIC NEWS. [November 14,1862. AMERICAN PHOTOGRAPHICAL SOCIETY. A regular meeting of this society, was held in the New York University, Monday evening, October 13th, with President Draper in the chair. The minutes of the last meeting having been read, Messrs. D. T. Lawrence, of Newburg, and Geo. Bartlett, of New York, wore elected to membership. On account of the irregular appearance of the Treasurer, Messrs Pike and Thomspon were appointed Finance Com mittee, and Secretary Thompson was vested with authority to receive and disburse funds for the society. Professor Seeley road a letter from Mr. Waldack, who is now abroad. The letter, among several items, spoke of the use of bromides in collodion, as being of no advantage. Secretary Thompson asserted, that without bromides in the collodion, the negatives were hard. This is especially the case in dry plates, where without bromide, it is almost im possible to get detail in foliage, &c. Professor Seeley had a couple of items to show the society. First, some prints on ordinary paper, from photozincographic plates; and second, several surgical photographs of membranes, &c., magnified about ten diameters. The samples of Photo zincography, were by Mr. Hall, and the microscopic specimens by Dr. John Dean, of Boston. President Draper, had photographed through the micro scope, and found the great difficulty to bo inaccuracy of focussing. This, he entirely overcame, by throwing the sun light through a blue solution of sulphate of copper and ammonia. The focus obtained through this blue light is chemically and visually coincident. Secretary Thompson showed several prints on albumenized paper. He called attention to the colour and tone, especially. Herein he claimed a new practice and discovery, inasmuch as he used nitrate of copper and zinc, in combination with his gold bath. He simply added to the usual solution of bi-carb. sod, some brass filings previously dissolved in nitric acid. The soda, which should be in great excess, neutralizes the nitric acid, leaving the copper and zinc in the solution. With a given amount of toning bath, containing this copper and zinc, he could tone 33 per cent, more surface than with the ordinary alkaline gold bath. Ho always added a pinch of salt to the toning bath, and fixed his' prints in a fresh solution of hypos, sodas 20 per cent, strong, to which has been added 5 per cent, of alcohol. The alcohol must be at least 95 per cent. Some of the prints shown, wero from negatives taken with Mr. Sellers, at High Bridge, in the great trial of Wet versus Dry. Plenty of bromide was used in the collodion, and the detail in the shadows was consequently very great. He had brought for inspection also, the camera and changing-box used by him on that occasion. This elicited much admiration, on account of its compact size, and the fine work it shows This camera was invented by one of the workmen in the factory of C. Jabez Hughes, of Lon don. It was brought to this country by Mr. Werge, to whose kindness the Secretary was indebted for its possession. The lenses wero of Ross’s make, and the pictures proved their superiority. The angle included, was far greater than any por trait combination, and all things from five feet from the camera to the horizon, were in sharp focus. Mr. Pike said he found bromides of the greatest benefit in all dry plates. He had taken a negative of the Fireman’s Monument, in Greenwood Cemetery, in bright sunshine. Ho had preserved every vein of the marble, and had not lost a leaf of the green foliage surrounding its base. This would be im possible to do without an excess of bromide in the collodion. President Draper stated, the bromides were more sensitive to green colours than iodides. He found the iodide of silver is most affected by blue; the chloride of silver, by violet and indigo; and the bromide of silver by blue, green, and slightly by orange. Secretary Thompson showed copies of tho celebrated picture by Jacopo Chimenti, supposed by some, to bo the discoverer of tho stereoscopic vision. Tho members present, after much squinting, concluded, they “ couldn't sec it,” and if “ any other man ” could see stereoscopic relief in the two samples before them, it must be “ all in his eye.” Mr. Pike had worked the milk and sugar process with success. He admired it very much for transparencies. Mr. Bunarsssaid, that although he had not worked this now process himself, yet, should any of his friends begin in photo graphy under the auspices of a dry nurse, ho should certainly recommend, as becoming their infant practice, the milk and sugar process. Its results had been seen, and spoke for them selves. Victor PrARD presented to tho society several very fine stereographs of green-house plants, and such like difficult subjects, for which ho received the vote of thanks of tho society. Mr. Burgess moved, that when we do adjourn, it be to meet on tho second Monday of November, at half-past seven o’clock in tho evening, instead of eight o’clock as at present.—Carried, and upon motion: Adjourned as above. F. F. Thompson, Secretary. PHOTOGRAPHIC SOCIETY OF MARSEILLES. The opening meeting of this society for 18G2, was held on Oct. 8th, M. Gabriel, President of tho society in the chair. The President opened tho meeting by expressing tho satis faction he felt, at seeing the work of tho society resume its habitual course. Already tho Photographic Society of Mar seilles, by its zeal, its activity, and its initiative efforts, had acquired a place in the foremost rank of those societies devoted to the art of Niepce and Daguerre. The first successes promised much for tho future of tho society. It would always give him pleasure to assist at its progress. ’ M. Leon Vidal having thanked tho President for the kind terms in which he had spoken of tho society, continued as follows :—The year which has passed away, gentlemen and dear companions, has been for us a year of creation. We have had everything to commence, ami, thanks to your intelligent efforts, we have succeeded. The Photographic Society of Marseilles has proved that it knew how to rise to the altitude of the mission it had imposed upon itself. It has never withheld its influence where it was likely to be of uso. I will not speak to you of tho numerous difficulties we have had to overcome. Wo struggled together. I do not consider it necessary to remind you of the various flattering testimonies which have appeared to reward your activity: you know them. The past, in one word, was ours; it is, therefore, with tho future wo have now to deal. Much has already been done; how much still remains to be done? our art is scarcely out of its cradle, it has all its career to accom plish—a career which will undoubtedly prove rich in marvellous discoveries, and in results and applications of increasing use fulness. I do not doubt but that you will have part in this pro gress of the future. Everything makes me hope—your apti tude, your initiative force, as well as tho fortunate positionorthe society— gives the means of action. These means of action you will find in the “ Union of Arts," recently inaugurated, and which progresses rapidly. You know the part therein assigned to photography. You will find there not only an exclusive centre, where you may meet on days other than those on which meetings take place, and where you may consult tho especial publications, but there will also be a permanent exhibition of tho products of our art, and a laboratory conveniently prepared, and all tho applications of heliography. In the rooms, practical courses of study may be organised under our care. Here, my dear colleagues, are the conditions of success, which cannot fail to impart to our proceedings a new impulse. More than a year ago, we recapitulated the chief points of interest in the progress of our art. Tho direction indicated was as follows :— Dry Gollodion, rapid and instantaneous. 1'lnlaryement, as perfect as possible. I’ositive Image, obtained by a permanent process. In those three lines is all the future of photography. I would urge upon my dear colleagues that they should receive with especial interest tho labours directed towards tho realisation of these improvements. Great progress has been made ; and yon know that the efforts of our experimentalists are incessantly directed towards accomplishing still greater results. Permit mo before the society resumes its proceedings, in your name to renew our invitation to the sympathy of the photographic world. Tho numerous communications which have been scut to us up to this time, are a manifest proof of tho influence which is in spired by our zeal and our impartiality. The good traditions of our society will bo perpetuated ; and it will bo our honour to have contributed to tho progress of an art we love, and which holds a distinguished place in the rank of useful inventions. Tho Secretary then proposed a modification in tho ru c
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