41.   Paul Dergarabedian, president of the Exhibitor Relations Co. tracking service, said theater chains will welcome the decision to allow advance sales.

42.   Paul Dergarabedian, president of Exhibitor Relations Co., said theater chains will probably go along with the request.

43.   Paul Dergarabedian, president of Exhibitor Relations Co. service, said the proposed advance-sales ban was problematical for theater chains.

44.   Prototype digital screens exist, but the necessary massive investments in projection and screen equipment have not yet been rolled out in any significant way by theater chains.

45.   Radio Victor, one of the most powerful of the postwar radio companies, owned the National Broadcasting Co. and the R-K-O theater chain.

46.   Regal Cinemas, the largest U.S. theater chain, said last month it had begun seeking relief from bank agreements.

47.   Rocco Landesman, the head of Jujamcyn, the third major theater chain in New York, feels differently.

48.   Rocco Landesman, the president of the Jujamcyn theater chain, wants to let the law die.

49.   Robert Nederlander, president of his family-owned theater chain, said he, too, had received some air rights inquiries but nothing firm enough to discuss.

50.   Several theater chains allowed Providence to sell tickets up to a month in advance.