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1954-55 Theatre Catalog, 12th Edition, Page 263 (227)

1954-55 Theatre Catalog, 12th Edition
1954-55 Theatre Catalog
1954-55 Theatre Catalog, 12th Edition, Page 263
Page 263


1954-55 Theatre Catalog, 12th Edition, Page 263

ber of the frame; the screen is unrolled by rotating it on the previously described plate and peg, and at the same time advancing the roll, plate and peg longitudinally in front of the frame. The screen must not be lifted out of the box by the ends of the metal tubeethe tube could collapse and crush the screen. Lacing of the top member may then be connected and if the grommet holes of the semen are all immediately below the hooks of the upper member of the frame, a loop type lacing may be used, but if the relationship of grommets and hooks is irregular, then a diagonal type of lacing should be employed. Usually the relationship will be correct as respects the top of the screen and frame. Once the screen has been unrolled and laced completely and evenly to the top member of the frame, the bottom webbing should be laced to the bottom member of the frame, starting at the middle of the screen and frame and lacing both ways. Before lacing the bottom member, the relationship of the grommets of the bottom webbing to the hooks of the bottom member of the frame should be studied and if the

screen, falling evenly itself, locates the grommets and hooks in vertical lines then the loop type lacing may be employed, but if the relationship is irregular, a diagonal type lacing should be used.

If upon completion of this operation, the screen lays evenly and without folds in its final position, then the lacing on both screen ends should be completed either by loops or diagonals, in accordance with the relationship of the grommets and hooks at the sides. If upon completion of the above operation, the screen still lies evenly upon the frame, then the top and bottom lacings may be gradually firmed, using care not to exert too great tension at the individual grommets or in the overall.

When the top and bottom members have been snugly laced, then the end lacings may be completed, but only to the point of snugness, since a tight lacing at the ends will tend to raise the middle sections of the screen, thereby

TABLE II Duets inlormution lax use with a r urved screen. The formula for computing the dimensions of the screen is also lound here.

giving its face a vertical reverse curve.

It is usually desirable to snug all lacing progressively to the extent, if necessary, of going over them several times. The lacing cord stretches over a period of two to four weeks, and it may be found desirable to go over the lacings once or twice until the stretch has stopped and no wrinkles are apparent. It will be found that the seams become less apparent as the screen sets in final form.

If the screen should not lay evenly, after preliminary lacing upon a TILTED FRAME, the trouble will probably be found in the frame itself, which, in all probability, has not been tilted properly, and the ends of which do not rise naturally.

In that case it will probably be necessary to lace the screen unevenly as respects to the frame, that is, the central portions of the screen must be lowered and the outer portions raised, creating a smooth curved relationship between the top and bottom members of the frame and the screen itself.

This relationship between screen and frame members must be adjusted until the screen falls evenly,



SCREEN IIOTNS (ARC 0' PICTURE) AND RISIS 0 ARC (DEPTH 0F GJIVE) WHEN PICTURE VIDTH AND PROJECT")! THEN ARE KNWN.



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NOTICE: These figures may be used for screen or frame; the inside dimenSIon of the frame being a minimum 12 inches greater than the screen.

Table II



'954-55 THEATRE CATALOG
1954-55 Theatre Catalog, 12th Edition, Page 263