{"product_id":"canada-united-kingdom-a-booby-trap-no-3-hinge-type-release-switch-1942-c7392","title":"Canada, United Kingdom. A ‘Booby Trap’ No. 3 Hinge Type Release Switch, 1942","description":"\u003cp\u003eA rare, genuine Second War British No.3 Mk I release switch, in metal casing with hinge and single spring action intact, measures 77 mm (w) x 53.5 mm (h), exhibiting light wear to exterior, remains very fine. \u003cbr\u003e\u003cbr\u003eFootnote: Designed for the Special Operations Executive, this single-spring type was intended for triggering the detonator attached to the charge when a 150-pound pressure was applied and released.\u003cbr\u003e\u003cbr\u003eBased on purchase location, this item was likely associated with Camp X, in Bowmanville, Ontario. Camp X was a top‑secret Allied training and intelligence facility established in 1941 near Whitby, Ontario, under the direction of British Security Coordination. It trained operatives in espionage, sabotage, and clandestine communications during the Second World War and played a key role in the development of Allied intelligence cooperation, including early methods of secure transatlantic communication.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"eMedals","offers":[{"title":"Default Title","offer_id":49711805137173,"sku":"C7392","price":101.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9105\/2053\/files\/eMedals_C7392_2.jpg?v=1770135477","url":"https:\/\/www.emedals.com\/products\/canada-united-kingdom-a-booby-trap-no-3-hinge-type-release-switch-1942-c7392","provider":"eMedals","version":"1.0","type":"link"}