Spectrama  CCT Lighting

Rotating Polarising disc

When used with slides featuring polarised filters, the polarising disc can make the slides appear to animate. 

Documents

BBC Engineering Training - CCT Spectrama with cloud projector 
Click on thumbnail to enlarge
[220kb  JPEG]
From Paul Middleton Collection

BBC Engineering Training - CCT Spectrama with concentric circles slide 
Click on thumbnail to enlarge
[320kb  JPEG]
From Paul Middleton Collection

Catalogue & Journal Entries for Spectrama in the Backstage Heritage Collection

CCT Hire Price List (1975)

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