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James Garvie
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Individual
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Individual
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22,658. Garvie, J. Oct 18 Pile - dri v e rs. - The monkey or cylinder C is fitted with a hollow piston-rod B having openings b<1> at its lower end, and with the piston D. A three-way cock A admits steam to the cylinder, which raises it, since the piston-rod is suspended from a winch. By reversing the cock, the cylinder exhausts to the atmosphere and drops on the head of the pile. An extension E of the piston-rod may rest on the pile, and the apparatus then automatically follows the pile as it descends.
GB190222658D1902-10-181902-10-18Improvements in Steam Pile Drivers
ExpiredGB190222658A
(en)