Device for setting off an avalanche, comprising a support intended to be fixed to the mounting side, for example on a concrete slab, and an enclosure {TAIL ~ one end} of which is open, this enclosure being mounted on the support, said open end of {HEAD ~ the enclosure} being intended to face towards the snow cap 
Device for setting off an avalanche , comprising a support intended to be fixed to the mounting side , for example on a concrete slab , and an enclosure { TAIL ~ one end } of which is open , this enclosure being mounted on the support , said open end of { HEAD ~ the enclosure } being intended to face towards the snow cap
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