Show improvement in grist mills mr M millard of lake mills jefferson co wisconsin has invented and taken measures to secure a patent for improvements in grit grist and other like mills which consist in an improved method of hanging and f forming arming the fhe driving ID attachment tach ment of the mill stone by y causino causing the stone to be balanced on a pin or roller which sustains the stone by a crossbar cross bar carrying the stone at its central opening whereby it is made to sit in a transverse groove cut cat in the upper en end d of the lower shaft the said groove being bisected at right angles by a similar one for the crossbar cross bar referred toan upper shaft has projections which fit into the groove carrying M the balance pin which serve by a screw at the top to depress the fhe stone and 0 guage gaage it to its proper grinding distance with respect to the lower stone the lower shaft is capable of receiving 0 a slightly vertical mo motion tion being supported by a spring at the bottom the whole effect of which is to render the stone adjustable to the utmost 10 st nicety the mode of hanging the stone is also claimed to be an improvement in respect to obviating some friction in the present modes of hang hanging mg scientific amer new ballast for ships it often happens that a vessel has to sail from one port to another without cargo and in that ease case the vessel has to be ballasted ballested bal lasted with so something methin 9 or other whether it be old iron or gravel A method has been introduced in into to one of the new castle vessels at the sug suggestion kestion of a dr white which appears to be an excellent plan the system is is abier of waterproof water proof bags along each side sidge of the keel inside and one or two forward and aft these are filled with water which an can be easily pumped out again there can be very little loss of time either in in receiving or discharging such ouch ballast and there is is no expense in getting as much of it as is is required for every vessel carries it below her bottom ab ib I 1 1 11 11 11 1 new fire alarm mr lyman of i groton tompkins co N Y has taken measures to secure a patent f for or a self acting fire alarm consisting n of an inflammable cord suitan suitably ly hung throughout a building and connected with an alarm such as a gong or bell situated on the outside or inside in such a minner manner that by a fire taking place within the building the cord will be consumed and the catch of i the alarm set free whereby it will commence ringing and give loud and early warning of the danger ib |