Sound Diffusion
From Graces Guide
Sound Diffusion, Portslade, Sussex, automatic fire detection equipment
1958 Advert for sales reps for electronic fire detection equipment[1].
1961 Order from Armstrong Whitworth Aircraft to Sound Diffusion (Autothermatic) Ltd to equip 5 factories[2].
1970 Offered Radiotel - bedside equipment for hotels combining a number of functions.
1973 Takeover bid for Shipton Automation with the assistance of Bankers Trust International[3].
1974 Sold Shipton Automation back to Bankers Trust International[4].
See Also
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