Cine-film projection : a practical manual for users of all types of 16-mm. (1952)

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6 Screens There are five main types of screen surfaces, each of which has its own characteristics and different method of cleaning. These are the Mat-white, Silver, Beaded, Translucent, and the Perforated screens. The White Screen The plain white screen is the most popular with operators who have to use it in halls of all shapes and sizes. It reflects the light evenly, and has a very narrow side-angle of distortion not noticeable by anyone unless they are sitting far to one side of the screen and well forward. This screen is best treated by repainting it with an even coating of Titanium White, which is far superior to the ordinary white lead paint. The Silver Screen Silver screens present an excellent picture to those seated in the centre of the hall, but as one moves to either side a remarkable decrease in brilliancy occurs, and as the angle of distortion is most pronounced, this type of screen is only suitable for halls which are long and narrow, or where the audience can be bunched together in the centre. The surface texture of these screens varies according to the make, and only specially recommended paint should be used. Class-Beaded Screens Beaded screens throw back a very brilliant reflection about the width of the screen, and the remainder of the reflection 75