New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 426
*(^-:;4 D^ tTf- - .7 •kt 1 A u ii … ^4=ji Dkcemher, 1831 THE RAIL^VAY MASTER MECHANIC. upper rows, which are 1 in. in diameter. Tlie crownstays are 1 in. in diameter in the Iwdy and the upi>erend is swelled to H in. in diameter for the threads,the lower end heing li in. in diameter at the thread.The bolts aie put in from the…
Railroads · Railroad cars
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