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May 6, 1922
MOVING PICTURE WORLD
103
Remarkable Contrast
between black and white — maximum illumination, sharp definition, and a flatter field mark the superiority of the
Bausch & Lomb
CINEPHOR
The New Projection Lens
The quality is absolutely uniform — each lens is so thoroughly tested at the factory.
Write for interesting literature.
Bausch & Lomb Optical Co.
New York
St. Paul Street, Rochester, N. Y.
Washington Chicago San Francisco London
Leading American Makers of Photographic Lenses, Microscopes, Projection Aj<i)aratus ( Balopticons) , Ophthalmic Lenses and Instruments, Photo-Micrographic Apparatus, Range Finders and (hm Bights for Army and Nam/, Searchlight Reflectors, Stereo-Prism Binoculars, Magnifiers, Automobile Lenses and Other High-Orade Optical Prodttcts.
Pat your Theatre in a class with the Best
Investigate any of the most profitable theatres anywhere and you will find them thoroughly equipped from music to ventilation. A thoroughly profitable all-yearround business can only be expected if you are prepared to meet summer conditions. Sturtevant equipped theatres have no summer worries.
Gel a copy of our bulletin on Electric Propeller Type Fans built especially for the medium and smaller size houses.
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CR£Q. U. S. pat. off.)
B. F. STURTEVANT COMPANY
HYDE PARK, BOSTON, MASS.
Offices in All Large Cities.
Ute Series Arc M-G Set that Produces Perfect oArcs.
TransVerteR is the original series arc motor generator and in actual service has established itself as the standard M-G set of the motion picture industry.
TransVerteR changes Alternating Current to Constant Current D. C, furnishing light of increased candlepower and unvarying intensity, that can be easily directed and controlled.
TransVerteR gives a perfect arc, perfect light, and a perfect dissolve of the picture which assures pleased and regular patrons through improved projection.
The TransVerteR story is too long for any single advertisement, so write today for literature containing complete information.
The Hertner Electric Co.
1904 W. 112th St. CLEVELAND, O.