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MANUFACTURERS AND DEALERS 691
National Electric Supply Company, Chicago, 111. Rheostats, etc., fig. 138,
193, 196. National X-Ray Reflector Company, 236 Jackson Boulevard, Chicago, 111.
Eye-Comfort Illumination from concealed sources, fig. 237, § 606. New York State Education Department, Division of Visual Instruction,
Albany, N. Y. Lantern slides for use throughout the state, Ch. VIII. Newton & Co., 3 Fleet St., London, England. Projection apparatus and
lantern slides, fig. 67. Edward Pennock, 3609 Woodland Ave., Philadelphia, Pa. Microscopes and
supplies, photographic objectives and cameras. Lantern slides, etc. Pennsylvania Flexible Metallic Tubing Company, Broad & Race Sts., Philadelphia, Pa. See fig. 60. Phantoscope Manufacturing Company, Washington, D. C. Motion picture
cameras and motion picture projectors of C. F. Jenkins for the house lighting
system, § 598.
Picture Theater Equipment Company, 21 East I4th St., New York. Nicholas Power Company, 90 Gold Street, New York. Manufacturer of
Powers Cameragraph, electrical appliances for motion picture machines.
New dissolving stereopticon, "bill-splitter" current ballast, § 736, fig.
222-223, 227, 232. Prest-O-Lite Company, Indianapolis, Indiana. Compressed acetylene, see
fig. 71
C. Reichert, Optische Werke, Vienna, Austria. Projection apparatus, microscopes, etc., fig. 43-44, 54
Ross, Limited, 3 North Side, Clapham Common, London, England. Projection apparatus, microscopes, etc. Franz Schmidt & Haensch, Berlin, Germany. Projection apparatus, etc., etc.,
fig. 57, 69. Alfred L. Simpson, 131 West 132 St., New York. Simpson's solar screen for
receiving the projected image of the magic lantern, moving picture machine,
etc., § 629. Slingerland Lantern Slides. Lantern slides, plain and colored of insects, birds,
trees, fruits and other nature-study subjects. Manufactured by Mrs. Mark
V. Slingerland, Ithaca, N. Y. Spencer Lens Company, Buffalo, New York. Microscopes, photographic
objectives, projection apparatus and accessories. Laboratory supplies,
fig. 38, 108-111, 130, 149, 174, 198-199. L. S. Starrett Co., Athol, Mass. Starrett Tools, fig. 160. C. H. Stoelting Co., 121 North Green St., Chicago, 111. Projection apparatus,
laboratory apparatus and supplies of all kinds, fig. 16, 75, 102-103, 167. The Chas. A. Strelinger Co., Detroit, Michigan. The Brush electric lighting
set. This consists of an engine for gas, gasoline or kerosene and a proper
dynamo for direct current, § 683. Arthur H. Thomas Company, 1200 Walnut St., Philadelphia, Pa. Dealer and
importer in microscopes and other optical apparatus and all laboratory supplies. A. T. Thompson & Company, 15 Tremont Place, Boston, Mass. Projection
apparatus of all kinds. Inventor of the right-angle arc lamp, fig. 97, 168,
1 86.