Puffing Billy Railway
red box, DETS 7A
... detonator (det) box... - Victorian Railways - Detonator (DET) Box puffing billy detonator ...
Detonator (DET)
An explosive device (not shown) is placed on the rail line and triggered by wheel pressure—used to warn of hazards aheadHistoric - Victorian Railways - Detonator (DET) Boxred box - DETS 7A
Made of metal sheetDETS 7Apuffing billy, detonator (det) box
