File:StandardStephensonValveGear.jpg: Revision history

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11 August 2014

  • curprev 22:2422:24, 11 August 2014Dnevil talk contribs 123 bytes +123 Standard Stephenson Valve Gear, Figure 64 from "LOCOMOTIVE BOILERS AND ENGINES", http://www.sdrm.org/faqs/boilers/fig64.jpg