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690 OPTIC PROJECTION
Foos Gas Engine Co., Springfield, Ohio. Oil, gas and gasoline engines for supplying the power for a private electric lighting plant and for projection, 8 683.
Fort Wayne Electric Works of the General Electric Co. Compensarc instead of a rheostat, § 736.
R. Fuess, Steglitz bei Berlin, Germany. Optical instruments, projection
apparatus, heliostats, etc., fig. 79, 84. General Electric Company, Schenectady, New York. Electric apparatus of
all kinds, generator sets, mercury arc rectifiers, mazda concentrated filament
lamps, and nitrogen lamps for the magic lantern, etc., fig. 258-264, § 754. General Film Company, 200 Fifth Ave., New York. Educational films for
the moving picture machine, Ch. XI.
General Specialty Company, St. Louis, Mo. Indirect and semi-indirect lighting fixtures, § 606.
J. H. Centner Co., Newburgh, N. Y. Mirroroide screens § 629.
Gregory Electric Company, 16 & Lincoln Sts., Chicago, 111. Electric supplies, generators, motors, etc., Ch. XIII.
Gundlach-Manhattan Optical Co., Rochester, New York. Photographic objectives and cameras, microscopes, projection objectives for moving pictures, etc., fig. 229.
J. H. Halberg, 36 East 23d St., New York. Moving picture machines and supplies of all kinds.
Hartford Machine Screw Company, Hartford, Conn., fig. 161.
Harvey Hubbell, Inc., Bridgeport, Conn. Manufacturers of Machinery, tools, Electrical specialties, fig. 48-50, 268-269.
P. Keller & Co., Successors to J. B. Colt Co., 465 Greenwich St., New York. Projection apparatus and accessories, fig. 36.
Kleine Optical Company, 166 North State Street, Chicago, 111. Motion picture apparatus and supplies; theater supplies.
Max Kohl, Chemnitz, Germany. Projection apparatus and accessories, chemical and physical apparatus, fig. 68, 81.
F. Koristka, Milano, 2 Via G. Revere. Italy. Microscopes and projection apparatus, fig. 181.
Ward Leonard Electric Company, Bronxville, N. Y. Rheostats, circuit breakers, theater dimmers, etc., fig. 147, 183, 186-187, § 723.
List of Electrical Fittings. Published by the National Board of Fire Underwriters, 135 William St., N. Y., § 691. Manufacturers of standard fittings and supplies.
Ernst Leitz, Wetzlar, Germany, 30 East i8th St., New York. Microscopes, photographic objectives, projection apparatus, fig. 41, 96, 123, 163, 202-205.
T. H. McAllister Company, 49 Nassau St.. New York. Projection apparatus and lantern slides, fig. 89.
Mclntosh Stereopticon Company, 35 and 37 Randolph Sts., Chicago, 111. Projection apparatus and lantern slides, fig. 66, 166.
Motion Picture Camera Company, 5 West I4th St., New York. Cameras and projectors for moving pictures.
Motion Picture Screen Company, Shelbyville, Indiana. Mirror screens, § 629, 6291, 630.