National Theatre Technical Manual for Hydrarest Unit

  • This material is held at
  • Reference
      GB 2080 TPC/3/8
  • Dates of Creation
      c 1973
  • Physical Description
      1 folder

Scope and Content

The file contains the Mole-Richardson (Stage & Studio Engineering) Ltd technical manual for hydrarest unit. Sections include 'General Description', 'Operation', 'Applications', 'Safety Curtain Unit', 'Rear & Side Stage Door Units - Lyttelton Theatre', 'Dividing Door Units - Olivier Theatre', 'Setting Instructions' and 'Maintenance'. Also includes a leaflet 'Electromagnetic Breaks Types DC & DNC, Type N (Single Phase), Type T (Three Phase) Instructions for Mounting and Adjustment' and the following drawings and schedules: an unnumbered drawing 'General Arrangement of 'Hydrarest' Unit', D18-365B and SC.5. The original folder has been kept.

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