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Search resultsYour search results for ‘D. L. Ashton‘ are displayed below. 1 match(es) were found! Design Procedures For Walschaerts & Stephensons Valve Gears Don Ashtons great book on these two universal valve gears, previously called Walschaerts Valve Gear for Model Engineers & Stephensons Valve Gear for Model Engineer... £17.50 (P&P £2.40) |