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TRE OPTICAL
MAGIC
LANTERN
~ JOURNAL
AND
PHOTOGRAPHIC ENLARGER.
EDITED BY J. HAY TAYLOR.
Vol. 6.—-No. 74, laigeeees Hall
JULY, 1895.
CONTENTS.
PAGE Notes... Sis, > eee ae. Gwe -. 109 Method of Raising or Lowering a Jet .. 110 Illustrated Sermons in America. . »lll Politics and the Lantern . IU Lantern Stroboscope .. ae ae ». Il Light (Intereepted Correspondence) .. .. 114 Lan‘erns of Photographic Societies .. ae +. 116 Why are Lantern Exhibitions leas Popular ?.. .. 116 New Apparatus .. 118 Editorial Table .. 119 Patent Intelligence .. 119 Correspondence » 119 Notes and Queriee .. . 126
Notices.
THE Optical Magic Lantern Journal and Photographic
Enlarger is issued on the 1st of every month, price One |
Penny, and may be obtained from all Newsvendors, Railway News Stalls, Photographic Dealers, or from the Publishers, at the following rates, post free :— United States. 12 months 2/60 cents.
Single copies -/2 ” Advertisements (Scale of Charges), displayed :—
£os.d. Front and back pages, by arrangement. Ordinary page (whole).. Si 38 00 co” » (half). 5 115 0 se »» (quarter) 100 » (eighth) .. 010 0 “a » perlinchincolumn.. 0 6 0 0 3 0
” ” ” 3 ” ” ~ = Excnance Column, General Wants, &c. (not Trade) — First 20 words, Gd.; and for every 3 additional words, ld.
SMALL ADVERTISEMENTS must reach the office not later than the first post on the 24th of each month. All cheques and postal orders to be made payable to Taylor Brothers.
EDITORIAL communications must be addressed, J. Hay Taytor. Advertisements and business communications to Taylor Brothers, 56, Chancery Lane, London, W.C.
American Agents:—The International News Co., 83 and 85, Duane Street, New York City.
Price ld. NOTICE, Each. Postage. Binding Cases for 12 numbers .. .. .. lidad. Reading Cases with 12 cords at back V3 lid. Bound Vols. for 1894 .. .. .. 2. .. «. 8/lid.
Notes.
Monta by month we have been watching the completion of the new oxygen compressing works of Messrs. Leonard Chapman & Co., at Sheffield Street, Lincoln's Inn, W.C., and for some months past we, through the kindness of Mr, Chapman, have during that time always been welcomed to see how matters were progressing, the only understanding being that we kept it to ourselves until the machinery was in working order. Their first announcement was made in their advertisement on the first page of our last issue, and seems to have takea everyone by surprise. We are now able to say that the compressing plant is most elaborate and complete, and that the oxygen made by this firm will be about 99 per cent. pure. Mr. Chapman is the inventor of the well-known ‘‘bull-nose” connecter and valves and controls several patents both at home and abroad in connection with the production of oxygen. All cylinders issued by this firm are to contain a Government stamp.
4 * Durine a recent trip to Antwerp, we were surprised to learn that all cylinders of compressed gas used there had to be conveyed from London. Consignments of filled cylinders are sent to Mr. Louis Van Neck, of 10 Klapdorp, who distributes them to the users.
* x * We observe that the editor of the Australian Photographic Journal occasionally adopts an easy method of obtaining what might appear to his readers t9 be original articles. In the April number just to hand, the lower portion of page