SCARCE FRENCH 19th CENTURY DOOR TRAP BURGLAR ALARM CANNON:
In very good general condition. Absolutely authentic. Circa 1850. 7 5/8 inch overall length. No visible markings. Brass body. Patina and oxidation on iron parts. Strong spring. Designed to alarm the household in case of an intruder by creating a loud noise. Was not designed to fire any kind of projectile. Unusual !
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