Logging; the principles and general methods of operation in the United States . Fig. 81.—A Standard RailHead. A, the the web. C, the flangebase. ^ Example: weightof rail, 60 pounds per yard; then =94tons,640pounds. 288 LOGGING For example, a locomotive having a weight of poundson its drivers should not be operated on less than a 40-poundrail. Lumber companies frequently buy or lease second-handrails from trunk-line railroads. The latter practice is com-mon in some sections. \Ahere trunk lines have second-handsteel, which accumulated when a change in the weight of therails was ma
Logging; the principles and general methods of operation in the United States . Fig. 81.—A Standard RailHead. A, the the web. C, the flangebase. ^ Example: weightof rail, 60 pounds per yard; then =94tons,640pounds. 288 LOGGING For example, a locomotive having a weight of poundson its drivers should not be operated on less than a 40-poundrail. Lumber companies frequently buy or lease second-handrails from trunk-line railroads. The latter practice is com-mon in some sections. \Ahere trunk lines have second-handsteel, which accumulated when a change in the weight of therails was made on their lines. The lease of steel at low ratesserv^es to encourage the development of the lumber industryalong the trunk line because it reduces the lumbermans invest-ment in equipment. The price of new rails at steel mills is about $32 per ton. Rail Fastenings. — Either angle bars or fish plates are used tostrengthen and brace the rails at the
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1913
