"Pelton, Lester Allan"@en . . . "1829-09-05Z"^^ . "1908Z"^^ . "Lester Allan Pelton"@en . . . "American mechanical engineer" . . . . "1908-03-14Z"^^ . "Lester Allan (or Allen) Pelton (September 5, 1829 \u2013 March 14, 1908) was an American inventor who contributed significantly to the development of hydro-power and hydroelectric power in the old West and world-wide. In the late 1870s, he invented the Pelton water wheel, at that time the most efficient design of the impulse water turbine."@en . "1829Z"^^ .