. American engineer and railroad journal . hat the purest air was in the laboratory occupied bytwo persons with two lamps burning, even more so than thatof the shop yard, which was probably contaminated to agreater or less extent by the gases from furnaces and locomo-but when we take into consideration the fact that therewas more than four times as much carbonic acid in the air ofthe Bleeping car as there was in the laboratory, it is readilyunderstood why there is so much complaint of sleeping carventilation and why there are so many headaches in the morn-ing after a nights travel. The Committ
. American engineer and railroad journal . hat the purest air was in the laboratory occupied bytwo persons with two lamps burning, even more so than thatof the shop yard, which was probably contaminated to agreater or less extent by the gases from furnaces and locomo-but when we take into consideration the fact that therewas more than four times as much carbonic acid in the air ofthe Bleeping car as there was in the laboratory, it is readilyunderstood why there is so much complaint of sleeping carventilation and why there are so many headaches in the morn-ing after a nights travel. The Committee on Compressed Air Appliances and Hydrau-lic Machinery sent out a circular of inquiry, and the an-swer- received thereto showed that compressed air was used inear shops and yards for a great variety of purposes, such asjacks for lifting and lowering freight cars, drop pits for re-moving and placing car wheels in trucks under all classes of:_er equipment, pneumatic portable jacks for lifting Vol. LXVIII, No. 7.] AND RAILROAD JOURNAL. 325. HOIST FOR LOADING AND UNLOADING .CARS. TRUCK SHOP HOIST FOR LIFTING AND TURNING OVER TRUCKS. LAKE SHORE & MICHIGAN SOUTHERN RAILWAY.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
