Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 400
enlarged de-tail drawing of a Ramsbottomsafety-valve as used on loco-motives. Train resistance consists of (1) Resistance due to friction—this is much modified bythe effect of wind and curves ; (2) resistance due to gra-vity. A formula for train resist-ance due to friction, based onthe results of… … 378 STEAM-ENGINE THEORY AND PRACTICE.
Steam-engines
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