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222 The AudioVisual Handbook
metallic types. Although no resurfacing material can restore completely the original reflective capacity of a screen, paint of proper mix and pigmentation can effect much improvement if applied with sufficient expertness to insure uniformity of surface. In resurfacing perforated screens, care must be taken to prevent filling of the holes.)
Da-Lite Screen Company, Inc., 2723 N. Pulaski Rd., Chicago, 111.
Hewes-Gotham Company, 520 W. 47th St., New York City
National Theatre Supply Company, 92-96 Gold St., New York City
Neumade Products Corporation, 427 West 42nd St., New York City
The Original Re-Nu Screen Surface Company, 5535 Grace St., Chicago, 111.
Walker American Corporation, 800 Beaumont St., St. Louis, Mo.
Curtain Control Machines
(Smooth and silent opening and closing of curtains are effected, either from backstage or from the projection-room controls, by automatic machines that operate at the touch of a button. The curtain may be stopped at any point along the stage, or its motion reversed as desired.
The equipment consists of a motor, a track, and a cable, as well as snaps to which the curtain is fastened. Special models for small auditoriums are available at relatively low cost.)
Acme Stage Equipment Company, 191 Lafayette St., New York City
Automatic Devices Company, Samuels Building, Allentown, Pa.
J. H. Channon Corporation, 1447-1455 West Austin Ave., Chicago, 111.
Cinema Supplies, Inc., 36-40 Glenwood Ave., Minneapolis, Minn.
Electric-Air, Inc., 308 Monroe Ave., Grand Rapids, Mich.
Metropolitan Scenic Studios, Inc., Omaha, Nebr.
National Theatre Supply Company, 92-96 Gold St., New York City
Tiffin Scenic Studios, Tiffin, Ohio
Twin City Scenic Company, 2819 Nicolet Ave., Minneapolis, Minn.
Vallen, Inc., 225 Bluff St., Akron, Ohio
Weaver Manufacturing Company, 1639 E. 102nd St., Los Angeles, Calif.