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The photographic news
- Bandzählung
- 27.1883
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- 1883
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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. 1276, February 16, 1883
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The photographic news
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- Titelblatt Titelblatt I
- Register Index III
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FEBRTARY 16, 1883.j THE PHOTOGRAPHIC NEWS. 101 three others, are mounted on this bit of apparatus, which could thus be either moved back or forward a few inches to alter the angle of reflection, or bodily run into another part of the studio without difficulty. A canopy screen, also on castors, for over-shadowing the camera, is also worthy of remark as being one of the most simple and effective of such contrivances we have seen. It is merely constructed of canvas and stout laths, the canvas painted a French grey; it measures about six feet high, so as to admit of an assistant of reasonable stature, and is about five feet long. Here is a picture of it. To ensure a steady gaze, photographers are in the habit of sticking up in front of their sitters a small photograph or picture. Mr. Barraud does better than this. He employs not a small picture, but a large one, to engage attention, and this is on a stand, close by the operator. The sitter knows nothing of this picture until the exposure comes, when the frame con taining it is twisted round— it is pivotted on the stand—and, suddenly, there is disclosed to view the bold features of the “Laughing Cure,” or some other equally humorous countenance. Above is a sketch of this stand. It is not everybody who is in a good humour when photographed; some are people who have consented to come against their will; some have been bothered or vexed that morning by an untoward event; some resent the loss of time ; while others —children, especially—grow sulky and morose under the operation of posing. The “ Laughing Cure,” however, is gene rally found to remedy matters ; “ it unlocks the features,” says Mr. Barraud. The walls of the studio are painted a French grey, with perhaps rather more blue in it than usual, and this con trasts well with the polished pine of floor and fittings. A freedom from lumber and unnecessary apparatus gives the apartment that appearance of smartness and neatness which is characteristic of a well-ordered studio. Of the rest of the establishment we need say little. The dark-room is below, in a cooler and more shaded position. Mr. Barraud usually develops his negatives after the sitter has taken his departure, collecting a batch of plates before he begins work. He has a large window to give plenty of light on occasion, but the lower half of it is permanently protected with yellow paper. This is a wise and practical precaution, for whether the non-actinic blinds are drawn or no, that portion of the window to which the plate is ap- proached is thus always protected. Mr. Barraud, who employs pyrogallol development, has a predilection for quick development; for one reason the gelatine film is not so badly stained, and the use of a clearing solution is thus rendered unnecessary. The “ By-the-Bye ” next week will be “ Photography and Map-Making ” ; the following “ At Home ” will be “ Mr. Alexander Cowan, at Porchester Terrace." THE FORTHCOMING ECLIPSE OF THE SUN. BY C. BAY WOODS. A GROUP of small coral islands in the middle of the Pacific, the whole of them only extending for about seven miles, covered with, or rather possessing, a few palm trees, with no inhabitants save a few pigs which were left by a small party of settlers who for a short time managed to gain a subsistence by rearing live stock and collecting cocoa-nuts— such is the place which nature has chosen as an observatory for an important total solar eclipse. Many a spot almost unknown has suddenly become famous through being found suitable for scientific observations, and more particularly has this been the case when the phenomenon to be seen has been an eclipse of the sun. The coming eclipse of May 6th next is observable throughout a great portion of the Pacific between South America and Australia ; but what is known as the central line, that narrow strip along which alone is the eclipse total, passes over but a few spots of land, and of these, Caroline Island is the nearest to the centre of that central line, and is in other respects better adapted to become a temporary observatory than are the few others. Here the totality lasts for over five minutes, an interval of time seldom to be obtained for the observation of eclipse phenomena. In spite, therefore, of its being so much out of the way of ordinary commerce and international com munication, so rare and valuable an opportunity ought not to be lost. The American savants have shown them selves most alive to this, and a large party of astrono mers of that nation are about starting on their journey. Several French and Italian astronomers are also finding their way there, and the Royal Society of this country, anxious to avail itself of the work and experience gained during the last eclipse, which, as your readers are aware, was observed in Egypt, have determined not to see England unrepresented. Mr. Lawiance and myself leave Southampton to-morrow, Saturday, by the Medway, a vessel belonging to the Royal Mail Steam Packet Company, which takes ourselves and instruments to Colon, on the Panama isthmus. We then proceed overland to Panama, where we expect to join the American party, and take ship again with them down the coast of Peru to Calloa. Should the Americans be a little earlier, we shall have to join them at the latter place. In any case, we all leave Callao together in a vessel chartered to take us to Caroline Island and back. The Royal Society, and more particularly those members who have looked to our equipment, have decided that the work shall be purely photographic, for the following very obvious reason’. It has occasionally been remarked how singularly diver gent have been the different observations. This has been most noticeable with the drawings of the corona, no two of which are usually found to agree, whilst photographs taken at different places and at different times present the same details. Again, apart from mere spectacular work, modern dry plates, as the Egyptian eclipse demonstrated, are capable of photographing the spectrum during eclipses, a branch of work which had hitherto been left to eye observations. Further, it is practically impossible for an observer to fix the positions of every line presented to his eye. The posi tions of only a few of the brightest had been determined, and
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