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Monstrous Looking Antique Intruder Alarm Gun from a London Dock Warehouse
__SPACER__ link » wistit »
View ArticleFirst burglar alarm system from 1852
__SPACER__ Some more interesting alarms after the link. link » wistit »
View ArticleGramophone burglar alarm 1939
__SPACER__ When the alarm is tripped the mechanism dials a phone number and plays a message from the gramophone record. link » wistit »
View ArticlePercussion Gun Window Burglar Alarm
__SPACER__ A gun that is set off when a window is opened, to scare intruders. link » wistit »
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