Buildings and structures of American railroads. A reference book for railroad managers, superintendents, master mechanics, engineers, architects, and students (1893)
Berg, Walter G. (Walter Gilman), 1858-1908 · New York, J. Wiley & Sons · leaf 138
lli of time was repeated five or ten times at intervalsof from five to ten minutes. The mi.xture for cyUnder-oil was composed of 4 i>arts tallow and 12 parts stock. It was heatedto from 200 to 300 deg. Fahrenheit, the heat being kept up for about five hours, with continualstirring during that… … Fig. 2ig.—Cross-section. Fig. 22I.—Cross-section of T.vnk.
Railroads -- Buildings and structures · Buildings
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