[575] Journal des Voyages de M. Monconys, Lyon, 1666, 4to, ii. p. 162.
[576] Commentarius de rebus ad eum pertinentibus, Lips. 1719.
[577] Historia Naturalis. Edit. secunda, Londini 1680, 4to, p. 37.
[578] In his Observations on Neri Ars Vitraria, Amstel. 1668, 12mo.
[579] This is said, for example, by Grainger in his Biographical History of England. London, 1769, vol. ii. part 2, p. 407.
[580] This book was only once printed, but the title-page has the date 1667. See Biographia Britannica, iv. p. 2654.
[581] Doppelmayer, p. 276.
FIRE-ENGINES.
The invention of pumps I shall leave to those who undertake to write the history of hydraulics, and here only remark that, on the testimony of Vitruvius[582], it is in general ascribed to Ctesibius, on which account they are called machinæ Ctesibicæ; and that Ctesibius lived at Alexandria in the time of Ptolemy Philadelphus and Ptolemy Euergetes I., consequently two centuries before the Christian æra. My present object extends no further than to state what I know in regard to the question, At what time were these machines first employed for extinguishing fires?