| Description | The file contains correspondence and enclosures sent Theatre Projects Consultants Ltd and the client and contractors regarding the drum revolve. Specific topics include labour withdrawal threat by Mole-Richardson (Stage & Studio Engineering) Ltd and ongoing financial disputes, including whether the contract is complete and ex-gratia payments; faults with and modifications and damage to the equipment; problems with noise; testing; cap stage installation; CCTV; scenery hoists; controlling drum functions using a digital calculator; testing; Lyttelton power flying; Evershed Power-Optics original contract and variations; and torque testing. Other correspondents include Sir Robert McAlpine & Sons Ltd; the South Bank Theatre Board; Mole Richardson (Stage & Studio Engineering) Ltd; Denys Lasdun & Partners; Evershed Power-Optics Ltd; Sound Research Laboratories Ltd; Tele-Stage Associates Ltd; Davis, Belfield and Everest; Coubro + Scrutton (M & I) Ltd; the National Theatre; and the Department of Nuclear Science and Technology. The file also includes a write-up of the operating facilities of the drum revolve, a sketch of a friction drive, and sketch 'Olivier Theatre Drum Revolve - Elevator Position Control'. The original card folder has been disposed of. '6 Drum Revolve Nov 78-Aug 80' was written on the front cover, and '904/5B1 6 Drum Revolve From Nov 78' was written on the spine. |