| Description | The file contains rough notes, sketches and correspondence between Theatre Projects Consultants Ltd and various contractors and tenderers regarding production lighting, specifically the production lighting control system; its remote control aspects; socket outlets; thyristor dimming characteristics; luminaires; modulation panel; wiring, the quoting and tendering process, and the awarding of contracts; dimmers and racks; trunking; dimmer banks; dimmer rooms; schedules and timetabling; and examinations of prototypes. Correspondents include: Rank Strand Electric Ltd; Theatre Projects Consultants Ltd; Thorn Lighting Ltd; CCT Theatre Lighting Ltd; Reyrolle Parsons Ltd; Niphan Ltd; Bob Anderson (BBC); Denys Lasdun & Partners; the National Theatre; the South Bank Theatre Board; Dynamic Technology Ltd; Ampex; Flint & Neill Ltd; Crown House Engineering Ltd; Varilectric Ltd; and Polytechnic of Central London. Items include three copies of 'Schedule of Production Lighting Outlets' (904/SC20); outline specification TC 99 'Outline Specification for Production Lighting Dimmer Control System for Studio R1 Television Centre'; drawing number 312R00002 'Schedule of Panel Drilling for Sockets to BS 4343'; timetables for design, installation and handover; and sketches of the control board and panel layouts. Original card folder disposed of. '904/7A (2) the National Theatre Production Lighting Opened 1/8/73 Closed 31/12/73. 904/7A (2)' was written on the spine. |