

MV'HINK I>K\\VIN<; AM' I>KSK,\ 



lo\vmv;inls 'ii t<. tin- \>MQ. Work which i& not i in be 



!i<-l<l cH|iially well, iw the jaw Bean -.u:\, ! I..IMK!. 



Section, at MM. 



NOTE. There ia a alight error in t ft-hund |>ortioi> ..t tin 



above illustration. The sloping recess for the spiral spring should have 

 u shoulder at the bottom for the spring to prcas agaiuat. 



