Show matting by aieom. It Schaw baa Invented a method ol bleating by electricity ami ateam com blned Mr Schaw found by experiment experi-ment that It would be raiy to boll waler In n cartridge through which electricity Is sent. The ateam prreaurt i within the cartrldgo would rlee to 150 I pounds per equate Inrh and far In ex-cm ex-cm of that If the waler cartridge la stirrcMfnl In mining Ita application to heavy blasting may he made of use by railroad engineer wealern mining concerns and In large quarries. |