| Description | The file contains correspondence and enclosures, file notes and sketches relating to the control room windows, specifically, window operating mechanisms, electric drive costs, laminated glass, electrical contractors, and noise levels. Correspondents include Theatre Projects consultants Ltd, Hall Stage Equipment Ltd, Scragg Power Drives Ltd, Sandy Brown Associates (acousticians), Telestage Associates Ltd, Denys Lasdun and Partners, the National Theatre Board, IES (International Engineering Services) Projects Ltd and Mole-Richardson (Stage & Studio Engineering) Ltd. Items include letters about the tender, quotation and sub-contracting related to Hall Stage Equipment Ltd and a sketch showing a screw attaching the window glass. Original orange folder disposed of. '5B7-12-16' was written on the front. '904/5B 7 The New National Theatre Control Room Windows' was written on the spine. |