Show A mysterious blow an army officer is reported to have in invented a wonderful electrical system of auxiliary harbor defenses it is claimed that the device ia so constructed ted that if a single ship or fleet of any number of vessels attempts to enter a harbor where the system has been introduced trod each ship could bo struck blow with what or in what way it is not stated equal to tons and the blow would come from overhead out of the air as the ship crossed a certain line the mysterious blow it ia stated is to come vertically and is to strike upon the part of the ship chero it will do the most permanent harm twenty of these Thor hammer blows can be struck in ten seconds of time several army officers and naval experts are said to have investigated vesti gated the method and are reported to have agreed that the blow could certainly be struck within a foot or two of the point indicated it is further said that the blow cannot be warded or conducted off as a stroke of lightning might be but would shatter the object struck into fragments boston herald |