. American engineer and railroad journal . ll increasing, although the per-centage of increase is falling somewhat. The maximum averagetotal weight for the American type was Shown as 132,000 lbs.;average weight on drivers, 00,000 lbs.: and weight per drivingaxle 45,000 lbs. Similar data for 10-wheel locomotives showsthat they have increased from 87,000 to 161,000 lbs. total andfrom 65,000 to 122,000 lbs. weight on drivers and from 21,900 to40,600 lbs. per driving axle. Mogul or 2-6-0 type increased from85,000 to 154,000 lbs. total, from 70,000 to 133,000 lbs. weight ondrivers and from 23,500 t
. American engineer and railroad journal . ll increasing, although the per-centage of increase is falling somewhat. The maximum averagetotal weight for the American type was Shown as 132,000 lbs.;average weight on drivers, 00,000 lbs.: and weight per drivingaxle 45,000 lbs. Similar data for 10-wheel locomotives showsthat they have increased from 87,000 to 161,000 lbs. total andfrom 65,000 to 122,000 lbs. weight on drivers and from 21,900 to40,600 lbs. per driving axle. Mogul or 2-6-0 type increased from85,000 to 154,000 lbs. total, from 70,000 to 133,000 lbs. weight ondrivers and from 23,500 to 44,000 lbs. weight per driving locomotives increased from 112,000 to 200,000 , from 97,000 to 179,000 lbs. weight on drivers and from23,250 to 44,750 lbs. weight per driving axle. The maximum axle load in 1885 was 24,000 lbs. and in 1907 itwas 53,900 lbs. The average axle weights of all types of loco-motives has increased 112 per cent, in the 22 years. December. 1007 AMERICAN ENGINEER AND RAILROAD JOURNAL 471. ATLANTIC TYPE LOCOMOTIVE WITH WALSCHAERT VALVE GEAR—NEW YORK, NEW HAVEN & HARTFORD RAILROAD. ATLANTIC TYPE LOCOMOTIVES. New York, New Haven & Hartford Railroad. On page 429 of the November issue of this journal appearedan illustrated description of a Pacific type locomotive, 30 ofwhich have recently been put into service on the New York, NewHaven & Hartford Railroad. In that article will be found abrief outline of the service for which those locomotives were de-signed, in which it was erroneously stated that the trains hauledby those engines were operated on a schedule of five hours be-tween New York and Boston, a distanec of 232 miles. The Pa-cific type locomotives are actually intended for service on thesix-hour trains, weighing 550 tons or more, and for the five-hourtrains, of which there are four each way, each day, an Atlantictype locomotive has been designed. The first order of twelve ofthis type is now being delivered by the American
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