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THE PROJECTION ROOM 267
is sonic dark, non-reflecting color, such as green or brown.
All projection room entrance doors should be kept closed — not on a lock but by means of a spring, and should be reached, where necessary, by proper, safe stairways.
It should have proper ventilation.
The fresh air inlet must be connected either with the theatre ventilation fresh air inlet, or directly with the open air.
All wires must be in concealed conduit, and all conduit thoroughly grounded.
Fuses and switches should be enclosed in metal casings or cabinets, or in cabinets built into the walls and covered with metal doors.
Projector circuit wires should emerge from floor almost exactly at the rear of each projector lamphouse.
Proper steel cabinets for tools and projectionists' clothing should be provided.
A room adjacent to the main projection room should be equipped with work bench, a combined vise and anvil, all proper tools, and an upright hand drill carrying an assortment of drills.
All switches and apparatus should be within easy reach of the projectionist.
Observation ports should be large enough to give the projectionist a clear, unobstructed view of the screen.
Sanitary necessities such as a toilet with running water and a wash basin with running water (both hot and cold if possible) should be arranged close to the projection room. A shower may well be added, especially in warm climates. '
Telephone connection to manager's office and other points about the theatre.
A fireproof film storage reservoir, each reel compartment supplied with water and connected by fireproof duct to the open air.
A special emergency switch with which the projectionist can illuminate the auditorium if necessary.