P.J.M. Southworth

3 books

Apr 2004
Cover of Agnes,a 500 Horse Power Corliss Valve Steam Engine

Agnes,a 500 Horse Power Corliss Valve Steam Engine

May 5, 2000
Cover of Agnes, a 500 Horse Power Corliss Valve Steam Engine

Agnes, a 500 Horse Power Corliss Valve Steam Engine

Dec 1, 1986
Cover of Some Early Robey Steam Engines

Some Early Robey Steam Engines