e working of these locomotives, provided as they are with sible, a point which justifies doing away with ferrules. The very large grate-surfaces to burn exceedingly fine coal, is sat¬ diameter of the tubes ought not to be too small, neither should isfactory ; it is difficult, however, to express an… … ney tops, which for several centuries have capped the chim¬ Fig- 13- neys of Venetian houses. EXHAUST FOR LOCOMOTIVES ON THE GRAND CENTRAL Tests of the Different Systems of Exhausts. — It is very diffi¬ RAILWAY OF BELGIUM. cult to get an exact valuation of different systems of exhausts by the aid…
