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“Thorn”, East Grinstead: prim and proper

“Thorn” burglar alarm, East Grinstead • I’ve already recounted the tangled corporate history of the modernist Thorn alarms, which you’ll find here. This 1970s-designed Thorn is protruding through the twee terracotta tiles of a no doubt historic roof, from which – East Grinstead being a prim and proper kind of place – the proud homeowner has cut a neat circular niche to accommodate their big red anti-burglar device. • Spotted: London Road, East Grinstead, West Sussex, RH19, England, 2004 • Politics: In the Conservative constituency of Sussex Mid

3 replies »

  1. Does anyone have a circuit diagram for a Thorn EMI alarm control box Model TX80

    I need to know the value of R57 which has burnt out

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