. Cassier's magazine. ofa the enginewas carried on a two-wheeled Bissellbogie. These were the passenger en-gines. Both types proved very useful. The Ds often ran light passenger trainsat a speed which seems almost incredi-ble. I have several times known themto attain a rate of 40 miles an hour andeven more. What this meant in theway of piston speed and also of wear andtear with 18-inch leading wheels, I neednot indicate; but it was not infrequentlydone. On the other hand, the sturdylittle Cs used to walk away readilywith goods trains that one would haveimagined such midgets could scarcelyeven
. Cassier's magazine. ofa the enginewas carried on a two-wheeled Bissellbogie. These were the passenger en-gines. Both types proved very useful. The Ds often ran light passenger trainsat a speed which seems almost incredi-ble. I have several times known themto attain a rate of 40 miles an hour andeven more. What this meant in theway of piston speed and also of wear andtear with 18-inch leading wheels, I neednot indicate; but it was not infrequentlydone. On the other hand, the sturdylittle Cs used to walk away readilywith goods trains that one would haveimagined such midgets could scarcelyeven move. Next came a mixed-traffic type knownas F (Fig. 4), which soon becamethe most numerous of all. It had sad-dle-tanks, cylinders io1^ x 18, andsix 3-foot coupled wheels. These F engines were genuine servantsof all work, and ran expresses, —such as they were in those days,—heavygoods, or mixed trains. They couldattain 40 miles an hour on falling grades,and take thirteen loaded goods waggons 378 CASSIERS MAGAZINE. FIG. 7.—PASSENGER AND MIXED SERVICE LOCOMOTIVE, CLASS lib, BUILT AT THE BALDWIN LOCOMO-TIVE WORKS, PHILADELPHIA, U. S. A. CYLINDERS,16 IN.; STROKE, 20 IN.; DIAMETER OF DRIVINGWHEELS, 4 FT. I IN.; TRACTIVE POWER, 15,673 LBS.; TOTAL WEIGHT IN WORKING TRIM, 58 TONS up long banks at i in 50 with 7-chaincurves. However, as the main lines becameextended and the traffic increased,tender engines that could carry a largersupply of fuel and water became impera-tively necessary, so a number of very ex-cellent ones came out and were classedJ. They were of the Moguldesign, i. e., with six coupled driversand leading pony truck or Bissell cylinders were 14 x 20; thecoupled wheels, 3 feet 6 inches. Theseengines, too, proved valuable all-roundworkers, hauling seventy waggons ofwheat,—no trifle of a load,—and attain-ing 45 miles an hour, when required, onlight passenger trains. But when reg-ular expresses between the chief centresof population became needful, it wa
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