Show how mines are laid and fired on one deck of a vessel essel are se searal narrow tracks supporting the mines each of which Is mounted on wheels each mine Is in turn rolled to tile the stern and by moans means of special launching trucks tracks is dropped into the sen sea without tilting one mine of this character is made up of three parts a scherl cal fl floating chamber containing the th explosives explores etc an lmh anchor will which ll I 1 is connected with the farmei b by y a i cable and a weighted sounding line ne the length of df the latter Is equal to the depth at which the mine Is to float when the end of the sounding line strikes bottom the lessoning lessening of its pull throws a pawl which prevents the drum in the anchor chamber from paying out more cable to the sphere consequently tile the latter is drawn under water to a depth equal to the length of the sounding line as the anchor ancho r chamber settles to the bottom popular mechanics |