Trip wire attached to iron rod; cartridge placed in socket and raised to top of rod. When trip is broken, the cartridge fell onto plate at the bottom …
Trip wire attached to iron rod; cartridge placed in socket and raised to top of rod. When trip is broken, the cartridge fell onto plate at the bottom …
Trip wire attached to iron rod; cartridge placed in socket and raised to top of rod. When trip is broken, the cartridge fell onto plate at the bottom and discharged a warning of intruders or predators, such as foxes.
Place
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Accession Number:
BHC:2007.32
Added to archive:
04-07-2019