Comparative tests of Illinois Central Railroad locomotives No. 920 and No. 940 (1909)
Gibson, Miles Otto, Lorenz, Frederick Ayres · leaf 46
cards. The indicator springs were cali-brated and found to be practically correct. Seven observers were stationed on the locomotive, asfollows; on the front end there were five men, two to take cards,two to read the revolution counters and record the cards. The fifthman was necessary to blow a… … 19 It would have been desirable to have retained the sameengine crew throughout the series of daily tests, but for companyreasons this plan had to be abandoned. Instructions were issued toeach crew, at the start of the tests, to make the best time possible.The make up of the trains was as nearly…
Illinois Central Railroad Company · Locomotives · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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