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box is designed on the same principle as rural mail boxes. It has a flanged metal base section which may be mounted either on a 2-inch pipe post, or on a standard -wooden fence post. The ends are slotted to permit the speaker cords to hang downward. Terminal blocks are provided near the center for the speaker and feed cables, rand the impedance matching transformer for two speakers is adjacent to them. Transformers are available with any desired primary impedance up to 14,000 ohms.
Speaker shelter compartments and a center transformer compartment are provided by the formed metal cover for the base
The Motiograph in-car speaker unit.
section. It has flanged and hinged doors •at either end and fits over the base section to provide weather protection for two speakers. With the supporting posts properly located between each two car positions, the speakers may be taken out of, or be placed in, the shelter compartments without getting out of cars. Provision is also made for clamping two speakers to the sides of the shelter box to give quicker access.
The metal parts are fabricated from heavy-gauge galvanized sheet steel finished in light grey weather-resistant paint. This basic design permits che shelters to be repainted to any desired color after installation, and to be refinished easily during seasonal theatre overhauls. The transformer circuit is so arranged as to prevent accidental speaker cord shorts from disturbing other speaker pairs on the same ramp feed line.
Firm Formed to Make Sliding Seat Chair
FORMATION of the Air-OSeating Corporation, in New York, has been announced by Peter F. Masucci, president of the company, to manufacture an auditorium chair of retracting seat type. Called the "Slideaway," the chair is designed for movement only of the seat, with the back remaining stationary.
The chair has been under development for more than one year under the direction of Mr. Masucci who entered the theatre
( f/2.0
•
SNAP LITE
SNAPLITE Seiies II f/2.0
Reduced to their fundamentals, that's what the specifications for SNAPLITE Series II Projection Lenses mean in results for you. Brilliant pictures . . . utmost image quality . . . sharp contrast — these spell flawless projection for patron satisfaction. They are achieved by a speed of f/2.0 (in focal lengths up through 5"), by anti-reflection coatings, by hermetically sealed mounts for lasting perfection.
Also available in the SNAPLITE line is tue Series I, an efficient, versatile lens for less exacting projection requirements.
ILOLLaUOIN^ /
2 Franklin Avenue Brooklyn 11, New York
CORPORATION
YOUR ASSURANCE OF THE BEST!
Wenzel "BULL-DOC
"Will Never Lose Its Crip''
The Bull-Dog AR-15— engineered by Wenzel to eliminate key breakage on all types of shafts for winding film. Also for use in the Lower Magazines to more evenly distribute the pull strain. For automatic and hand rewinds, too. When ordering give model number or make of shaft, together with shaft diameter.
WENZEL PROJECTOR COMPANY
2509-19 S. STATE STREET Chicago 16, Illinois
BETTER THEATRES, MAY 31, 1947
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