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FOR MANAGERS AND OPERATORS 185
Paint may be washed, if it is carefully done, but it is not the same as new. I much prefer calcimine to paint on a plaster surface, but if paint is used, the plaster should be first thoroughly sized.
Caution. — Don't attempt to make home-made metal surface screens by applying aluminum to cloth or plaster. There is about one chance in a hundred that you will get anything even approaching satisfactory results. Calcimine or paint is much better than ninety-nine out of every hundred home-made aluminum screens.
THE DIFFERENT SCREENS
The Mirror Screen. — The salient points concerning the niirror surface made by the Mirror Screen Company, Shelbyville, Ind., have already been set forth. The screen is a high class article, and has many enthusiastic suporters among exhibitors. It gives a very brilliant picture per ampere of current used. It is expensive in first cost, but will last practically forever. The surface must be very carefully selected with reference to the conditions under which it is to work. For the long, narrow house, get a smooth finish, but for a wide house get it just as rough as possible. It comes all packed in a box, ready for installation. Its surface can be washed perfectly in a few moments. The silver backing is guaranteed against deterioration.
There are nine different mirror screen surfaces, designed for use in theatres of varying dimensions. Mirror screens have been in use in theatres for several years. Therefore they have been thoroughly tested as to their efficiency, and, as already stated, when properly selected with reference to local conditions results from them are excellent. They may be had in the following widths: 8 feet, 8 feet 8 inches, 9 feet 4 inches, 10 feet 8 inches, 11 feet 4 inches, 12 feet, 12 feet 8 inches, 13 feet 4 inches, 14 feet, 14 feet 8 inches, 15 feet 4 inches, 16 feet, 16 feet 8 inches, 17 feet, 17 feet 4 inches, 17 feet 8 inches, and 18 feet. The last four widths require slot cars for their shipment. They are made as small as required, but 8 feet is about the minimum used in theatrical work.
When exhibitors erect a theatre and contemplate installing a mirror screen they should remember that the screen must be brought in before the walls are closed in, as it is all in one piece. The 8-foot screen is 6 feet high, with probably a foot added to that for packing, and in an old house it may