Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 233
e to write me. He said he was the superintendent ofthe iron works in New York in which Mr. Allen had this enginebuilt, and was very much impressed by its advantages, especiallyafter he saw it in operation; and in planning this mill these enginesseemed to be just what he wanted. In preparing for the… … Sectional and Front Elevations of One of the Two Pairs of Porter-Allen Enginesin the Colt Armory, Hartford, Conn.
