| Description | The file contains Theatre Projects Consultants Ltd correspondence and enclosures, including sketches and tender documents, with the client and various contractors regarding stage wagons. There is also some correspondence regarding the power flying installation. Specific topics covered include the tendering process, quotations and estimates, with Hall Stage Equipment Ltd providing the winning bid; how the wagons should be powered and later problems with the drive; various possibilities for the design and the issue of drawings; wagon tracks; problems with the installed wagons and their unavailability for the Theatre; disappointment with the quality of Hall Stage Equipment Ltd's work; wiring; testing; and damage to the stage caused by the wagons. Correspondents include Evershed Power-Optics Ltd; Hall Stage Equipment Ltd; Mole Richardson (Stage & Studio Engineering) Ltd; Denys Lasdun & Partners; Flint & Neill Ltd; GEC Machines Ltd; Crompton Parkinson Ltd; the Greater London Council (GLC); Sir Robert McAlpine & Sons Ltd; P E Kemp Engineers Ltd; the South Bank Theatre Board; and Redhouse & Softley. The file also includes completed tender documents for stage wagons and power flying, rough sketches of how they should work, estimates from Hall Stage Equipment Ltd and Evershed Power-Optics Ltd, a copy of the contract between the South Bank Theatre Board and Hall Stage Equipment Ltd, sketch number L0901/W/Sk2 'National Theatre Track for Revolve Wagon (Up/Down Stage)', sketch 'National Theatre Passive Backs for Stage Wagons', sketch L0901/W/4 'National Theatre Drive Track for Stage Wagons', sketch L0901/W/3 'National Theatre Passive Track for Stage Wagons', sketch 'Upper Theatre Wagon Tracks, Drive and Passive', sketch 'National Upper Theatre Wagon Tracks: Drive & Passive: Fixing Details (Development of HSE DWG L.0901 dates 15.11.73', sketch L0901/W/SK1 'National Theatre - Passive Track for Wagon', sketch W.180 'Scenery Hoist Contactors, BBC White City Studio Six', sketch X 12696 'Wiring Diag. National Theatre Upper Theatre Stage Wagon or Lower Theatre Linear Stage Wagon', and sketch number 904 SK 1160 'National Theatre Tow bar for Rear Stage Wagon'. The original card folder has been disposed of. 'the National Theatre: Stage Wagon 904-5B6-1' was written on the spine. |