Description of Mr. John Harriott's patent syphon engine, for raising and lowering weights, by the action of a column of water, - and for the better application of streams, or falls of water, to mill-work, or manufacturing machinery
[London] [s.n.]
[1801?]
Paper watermarked 1801
Imprint of engraving reads: Drawn & engraved by B. Longmate, 41, Berwick Street, Soho
Hydraulic machinery.