(Paris, L'Imprimerie Royale, 1718). 4to. Without wrappers. Extracted from ""Mémoires de l'Academie des Sciences. Année 1716"". Pp. 322-325 and 1 folded engraved plate.+ pp. 326-328 and 1 folded engraved plate. The first plate depicts the double-pump.
Reference : 44404
First printing of Philippe De la Hire's invention and description of the double-acting water pump, which produces a continuous stream of water.Bryan Bunch 1717-Tools.
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