BOYDELL'S TRACTION STEAM-ENGINE
... BOYD)ELL'S TRACTION STEANI.ENGIN E. fr. N echi has ad dre wed a Ietter to the Joumwi ot she 4Socify of .Iris. wh'ercin he .- devoted two days Ialk s wree to the estrninntion of the operation of this uintihin :n a InLocotilotive and tractive liowvr. sj-. have Contc to the colwcugqion thsla it is t Great ss This ?? is ovtinc to hr endlcsks and v- 'e railway sttached to ?? thehioltCC. hichrivtea ...