Odeon Leicester Square 1937
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 BTH Projector
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 BTH Amplifier
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 BTH Amplifier Rack
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 Non-Sync
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 Mercury Arc Rectifier
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 Emergency Lighting Rectifier
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 Stage Speaker
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 Sound Mixer
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 Arc Follow Spot
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 Dimmer Proj Room
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 Dimmer Stage
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 Thyratron Dimmer
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 Thyratron Dimmer
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 Air Conditioning
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 Air Conditioning Control
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 ‘Modern Wonder’ 25th June 1938
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