Patent Model - Improvement in Oscillating Steam-Valves
Maker and role
Harvey Jones, Patentee
Wolf Anderson, Assignee
Harvey Jones, Assignee
May 18 1875
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6 x 9 1/2 x 6" (15.2 x 24.1 x 15.2cm)
Jones's states his patent's objective as "to improve the steam-valve, for which Letters Patent of the United States were granted to me on the 9th day of September, 1873; and the nature of my invention consists in a novel contrivance for adjusting the valve at its seat as the degree of expansion of these parts requires; also in a steam-lever arrangement for holding the valve-steam tight on its seat, and taking up lost motion in the journal boxes of the valve trunions..." (Patent Number 163,497)
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