A promissory note of January 28, 1788 to Robert Stubbe for the sum of eighteen shillings and six pence, Pennsylvania currency.
See Rumsey's article, "A Short Treatise on the Application of Steam, whereby is clearly shewn, from actual experiments, that steam may be applied to propel boats or vessels of any burthen against rapid currents with great velocity. The same Principles are also introduced with Effect, by a Machine of a simple and cheap Construction, for the Purpose of rasing Water sufficient for the working of Grist-mills, Saw-mills, &c. and for watering meadows and other purposes of agriculture" (Philadelphia, 1888), 26 pp., in Dibner Library, NMAH (copies in Archives Center collection control file).
Biographical / Historical:
American machinist and inventor who developed an early steamboat which he successfully demonstrated on the Potomac (1788) and on the Thames (1792) before his death in England on December 23, 1792.
Immediate source of acquisition unknown.
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