Reference Number | TPC/3/13/3 |
Title | Quadruple Up-Down Detector with Dead Space ~CD245 |
Level | Item |
Date | c 1980 |
Description | Evershed Power-Optics Ltd drawing number V4506. |
Extent | 1 drawing |
Series | The National Theatre Point Hoists in the Olivier and Lyttelton Theatres: Operating and Maintenance Instructions |