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Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 235
Sectional and Front Elevations of One of the Two Pairs of Porter-Allen Enginesin the Colt Armory, Hartford, Conn.Steam-engines · Governors (Steam-engine) · Mechanical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
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