John Fitch's sketch and description of piston for steamboat propulsion, ca. 1795.
(John Fitch Papers in the Peter Force Papers) 072 0001.gif 1 1 /ò*P 0001.jpg Êø John Fitch's sketch and description of piston for steamboat propulsion, ca. 1795.
(John Fitch Papers in the Peter Force Papers) 072 0002.gif 2 2 /ò*P 0002.jpg Êø