]:'r2 



I'ii;. ■). Spilhv:L\- of iho iipp.T p )n.l of Blicmiiniton \v:\lfr-\V()rk-i, slinwins joints in the rork. 



Fid. li. Joints ^'nlar^if.! I>i solulion. C'ui on Illinois ("cnlial K. U , r.l..oiuiii;;io 



