Benard Belidor

Benard BelidorIn existographies, Benard Belidor (1698-1761) was a French engineer and mathematician, noted for []

Overview
In c.1739, Belidor, in his Hydraulic Architecture, Volume Two, presented an analysis of Thomas Savery’s vacuum engine and Denis Papin’s 1707 direct-pressure steam engine.

Quotes | On
The following are quotes on Belidor:

“In the winter of 1763-64, having occasion to repair a model of Newcomen’s engine belonging to the Natural Philosophy [Black’s] class at the University of Glasgow, my mind was again directed to it. At that period, my knowledge was derived principally from Desaguliers [Natural Philosophy], and partly from Belidor [Hydraulic Architecture].”
James Watt (c.1800), Publication [2]

Quotes | By
The following are quotes by Belidor:

“It must be avowed that this [steam engine] is the most marvelous of all machines, and that there is not a single other of which the mechanism has so much resemblance to that of animals. Heat is the cause of its motion, a circulation takes place in its different tubes like that of blood in the veins; it has valves that open and close at the proper moment; it feeds itself, it rejects what it has used at regular intervals, it draws from its own work everything that it required for its support.”
— Bernard Belidor (1739), Hydraulic Architecture, Volume Two Architecture Hydraulique, Volume Two (pgs. 324-25) [1]

References
1. (a) Belidor, Benard. (1739). Hydraulic Architecture, Volume Two (Architecture Hydraulique) (pgs. 324-25). Paris: C.A. Jombert.
(b) Kirby, Richard; Withington, Sidney; Darling, Arthur; and Kilgour, Frederick. (1956). Engineering in History (pg. 165). Courier, 1990.
2. Johns, Cort. (2019). The Lost Industrial Revolution (pg. 186). LuLu.

External links
‚óŹ Bernard Forest de Belidor – Wikipedia.

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