Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910, Locomotive Performance On Grades Of Various Lengths, Paper No. 1172Note B — With Discussion by Messrs. C. D. Purdon, John C. Trautwine, Jr., and Beverly S. Randolph.Reading editionTransactions, Am. Soc. C. E., Vol. L, p. 1.◇Copy noteReturn to With Discussion by Messrs. C. D. Purdon, John C. Trautwine, Jr., and Beverly S. Randolph.