Context

Context of Philadelphia, 1788. At a meeting of the American Philosophical Society, on the 18th of April 1788, : a letter was received from Mr. James Rumsey, of the state of Virginia, accompanied with a drawing and description of an improved boiler for a steam-engine, as also drawings and discriptions [sic] of 1. An improvement in Dr. Barkers' grist-mill. 2. An improvement in the saw-mill. 3. An improvement in raising water by means of a steam-engine
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