Steam engines, a thorough and practical presentation of modern steam engine practice (1920)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 75
60 STEAM ENGINES developed will run between 15 and 100. The speed attained on theroad in miles per hour is about 2| to 5. Road Roller Type. The traction engine just considered as anagricultural engine may also be considered as a portable engine or aroad locomotive. A portable engine is, therefore,… … Fig. 46. Semi-Portable Engine and Boiler Another illustration of a similar type is the ordinary road roller, orroad locomotive as it is sometimes called. The principle of its con-struction and operation is similar to the traction engine, the chiefdifference between the road roller, or road…
Steam-engines
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