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LAVEZZI MACHINE WORKS
4635 WEST LAKE STREET
CH I C AGO 44, ILLINOIS
Remodeling for "Full Vision” Movies
{Continued from page 12)
from these surfaces. It is important to note that where the side walls are close to right angles to the screen, as in “C,” the reflection is directed to the eyes of the audience; in example “A” the light is reflected to the side seats, and in “B” the reflected light tends to reach the sides of audience faces rather than the eyes. These illustrations indicate what to expect in light bounce due to screen illumination.
In repainting the auditorium surfaces, a diffusive or flat type of paint should be used, preferably of a neutral gray tone. Three shades, starting with off-white as the lightest, are recommended. In the zone nea»rest the screen, the gray may be sligJitly on the “cold,” or blue, side; and in the remainder the gray may tend towards the “warm,” or cream-gray. The surfaces which are angles, as in “C” of Figure 4, should be given the darkest shade. At “B” the lightest shade should be used ; and the in-between shade can be used at “A."' The total result should appear as a more or less uniform intensity for the entire surfaces which are in view while the picture is projected.
Small test panels may be painted on the \ariously disposed surfaces, which can then be observed with white light projected on the screen to determine the re-reflectivity from these test areas.
All of the above recommendations are made so that the auditorium may approach as closely as possible the conditions of natural vision. Natural vision has about a 180° horizontal view, which ranges from bright to dim. If a small angle of view goes from bright to dark, it is not natural. Therefore, a small angle of view should be artificially increased by synchronous lighting to approach the natural light tones of 180° horizontal vision.
EXPLOITING THE “BACKSTAGE”
Both the projection equipment, and the technicians who operate it, shared in attraction advertising in this lobby poster conceived by J. W. Ellis, manager of the Odeon theatre in Chester, England. Shown looking at the poster are the technicians themselves— E. R. Hall, who is chief projectionist, and one of his staff — who happens to be also his wife.
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MOTION PICTURE HERALD, DECEMBER I, 1951