File:DesignProceduresForWalschaertsAndStephensonsValveGears DLAshton.jpg: Revision history

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3 May 2013

  • curprev 17:1917:19, 3 May 2013‎ Dnevil talk contribs‎ 144 bytes +144‎ Book cover for "Design Procedures for Walschaert's and Stephenson's Valve Gear", by D. L. Ashton, http://www.donashton.co.uk/html/downloads.html
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