Show in railway brake shoe laboratory 4 r 1 4 I 1 0 I 1 r eurs ears investigations invest of f the prop of brake brale hoes shoes looking to ml hit its ll nery ery of better bitter inet it compounds thun now used have hane been un der wnm u ny 1111 I 1 tip of illinois Ulli ints liua fins been earning carr ing on uh auh investigations i for r many cars ears in iti its brake stice laboratory oliero there li Is a machine shown shoun in the I 1 lecture inure measures an ant I 1 anonia the friction of brake shoes and ables the tile fill to measure the tile weight of metal worn wom away in the 1 of a amount f braking u work there tire 30 brake shoots 08 in serille sen ire on AulL arlun roade roads and ta is ernt annually in renew ln thein fin |