| Description | The file contains material relating to modifications to the power flying system, and includes a draft report 'National Theatre Lyttelton Flying System', on replacing the electrical drives with hydraulic motors; drawings, including drawing number X12-6A 'National (Lower Theatre - Power Flying Wall Frame (Stage Right) and Guide Spacing', and untitled drawing showing drives, drawing number X12-8 'National (Lower) Theatre - Power Flying Hoist and Limit Layout', an untitled drawing showing hoist and drives, sketch number 904 SK 1233 'Lyttelton Theatre Proposed Power/Manual Change Over Device', and drawings ''Resetter Gear Drive A' and 'Resetter Gear Drive B'; notes; manufacturer information on hydraulic motors; specification number 904/SP.8A and B 'Specification for Power-Assisted Flying Drive Equipment for the National Theatre of Great Britain'; and Theatre Projects Consultants correspondence with Hall Stage Equipment Ltd. ['RJC' is probably R[ay] J C[arter].] The original card folder has been disposed of. 'Lyttelton P.F. RJC. 9277' was written on the front, and 'N.T. - L.P.F.' was written on the spine. |