Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 238
THE COLT ARMORY 181 … Sectional and Side Elevations of One of the Two Pairs of Porter-Allen Engines inthe Colt Armory, Hartford, Conn, 182 ENGINEERING REMINISCENCES joints, all of which I made steam-tight scraped joints requiring nopacking. This was a new departure in steam-engine work in thiscountry. I fancied myself…
