| Description | The file contains notes, sketches and correspondence related to planning of stage equipment, including the masking screens, an extending wagon pusher, wagons, a simplified wagon system, lighting hoists, Lower Theatre flying, a hydrafloat, a specification for motors, elevator drives, a cost comparison, a design timetable, dressing room considerations, hoist specifications, the floor loading classification, a reassessment of costs, . Correspondents include Richard Brett and Richard Pilbrow, Eric Jordon of the Greater London Council (GLC), the English Electric-AEI Projects Ltd, Hall Stage Equipment Ltd, Evershed Power Optics Ltd, Mole-Richardson (England) Ltd, the British Standards Institution (BSI), Ferrum (England) Ltd and the British Airports Authority (BAA). Original folder disposed of. 'National Theatre: Theatre Projects (2)' was written on the spine. Most documents were marked with the reference number 904/4A Planning. |