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The Optical Magic Lantern Journal and Photographio Enlarger. 23
suitable for dissolving lanterns. The power of the light is about 300 candles, hence it cannot compete in brilliance with the warm-air saturator, which is capable of producing 1,000 candle-power ; but it islikely to be preferred by some lecturers who work their own lanterns, and do not require exceptional light-power.— Yours faithfully, 4 wr. Scort.
Ashcombe-road, Weston-super-Mare.
SCREENS. [Lo the Editor.)
Dear Sir,—I am looking forward to your description of Chadwick’s ‘‘ Eclipse’ Carrier in next month's. Would it be trespassing too much on your kindness to give me some instructions respecting the making of an opaque lantem sheet (paper faced), such as is described on page 20, vol. I.?
What is the best material to use? What sort of white paper should I ask for? I deal with a paper manufacturer. Should the back be covered with ordinary brown paper ? What is the best thing to use for sticking the paper to the calico? Should plain paste be used, or should size be mixed with it? If the front surface got dirty, what would be the means for cleaning it? I should want a sheet about 8ft. square. for parlour use, to roll up map fashion.
I hope you will not think me troublesome in asking so many questions, but if you can find time to do so, I should feel grateful if you would answer them in the pages of your exceedingly interesting journal. Thanking you in anticipa
tion, —Yours very truly, HERBERT WORTH. Totnes, July 16, 18go.
[Calico will answer the purpose if covered with a stout surfaced paper on the front only ; this may be secured with paperhangers’ paste. If you are inexperienced in this kind of work, perhaps the best way would be to geta paperhanger to put the paper on the fabric, as great care must be taken to avoid creases. Dirty marks on the face may be removed by rubbing with a piece of stale bread.—ED. ]
HEADQUARTERS OF THE LANTERN SOCIETY. [Zo the Editor.}
S1r,—I am glad to be able to give you some definite news about our rooms for the Lantern Society. We have obtained the use of the rooms belonging to the Royal Medical and Chirurgical Society, at 20, Hanover-square, and, through the courtesy of their committee, at a very moderate rental.
The rooms are centrally situated, and are occupied at various times for meetings by several societies, amongst them being the Royal Microscopical, and the Quekett Club.
Our evenings for meeting will be the second and fourth Mondays in each month, at 8.30 p.m., commencing in October.
Will you also say that ladies are eligible for membership ? We have had two or three applications from them. and there may be more who would like to join if they knew that they
by 7 could.—Yours very truly, — Cyartes E, GLADSTONE,
6, Bolton-street, W. Hon. Sec. Lantern Soc., 9
202
AMERICAN CoNVENTION.—The Photographic Association of America will hold its annual convention from August 12 to 15, at Washington, D.C. The monument recently erected in memory of Daguerre will be unveiled.
Society Meetings.
East DuLWICH AND PECKHAM PHOTOGRAPHIC SocieTy.—At the ordinary meeting of the society on 18th ult., the president (Mr. F. W. Edwards) in the chair, after disposal of the routine business, Mr. H. Banks exhibited a Scott's warm bath saturator (lent by the Editor of The Optical Magic Lantern Journal and Photographic Enlarger), by means of which the use of hydrogen gas for limelight purposes is entirely dispensed with. Some brilliant pictures were thrown on the screen by the aid of a powerful optical lantern, and the result was deemed to be highly satisfactory and a great improvement on the ordinary oxy-hydrogen light.
WALTON PHOTOGRAPHIC SOCIETY.—An open night was held, onthe r7th ult., atthe Liverpool Exhibition. Mr. H. E. Burn described some interesting slides, illustrative of a trip through the Highlands, and Mr. Tyerman presided at the lantern. Several miscellaneous slides, the work of members, were also projected upon the screen.
SHEFFIELD LANTERN SOCIETY.—At a general meeting on the 16th ult., arrangements were made for excursions during the remainder of the season. Next winter the competition for the president's prize will take place.
HOLBORN CAMERA CLUB.—The last meeting was held on the 18th ult., Mr. Knights in the chair. Mr. Cobb read a paper on the difficulties of mounting. He thought it was. a rather important matter, which was to a certain extent overlooked in the various photographic papers. Now and then he found it would turn up, but in a very haphazard sort of way. With regard to the mountant, he did not recommend the use of those advertised by various firms, as no preparation would keep good for all time, but to use starch, and make it fresh each time it was required. After removingthe prints from the water he laid them face downwards on a piece of glass, and with an ordinary brush laid on the mountant. Care should be taken not to put too much on the back of the print, as the excess will ooze out at the side, and disfigure the mount, especially if it is an enamelled one. With regard to getting the picture in position on the mount, he recommended, before wetting the print to lay it on the mount, and mark the corners with a pencil. Mr. Cobb mounted several prints on various descriptions of mounts, and in answer to a question said that he did not use a squeegee, but always had two or three thicknesses of blotting
paper, and rubbed firmly with the openhand. A vote of
thanks to Mr. Cobb terminated the meeting.
DeEWsBuRY.—The monthly meeting was held on July roth, Mr. T. G. Beaumont in the chair. Mr. E. Scargill brought one of the postal photographic albums for inspection. Several members brought negatives, prints, and transparencies, which were inspected. A discussion anent the development of lantern slides was raised, when it was ultimately decided to have a demonstration at the next meeting. A negative will be selected, and those members wishing tocompete are to expose a plate each, and use any developer they wish, the results to be compared at the next meeting.
HACKNEY PHorocrapHic SociETY.—The subjects for August. are as follows :—August 14—Demonstration, ‘‘ Intensifying, Reduction, and Varnishing."—Mr. R. Beckett. August 16—Excursion to Carshalton. (Train from London Bridge at 2.18). August 28—‘ Portraiture and Re-touching.”—Mr. J. Hubert.