Jordanus Nemorarius

In existographies, Jordanus Nemorarius (c.1250-1310) (IQ:#|#), aka “Jordanus de Nemore”, was a French mathematician and physicist, noted for []

In c.1545, Niccolo Tartaglia, in his booklet on the Nemorarius, was, supposedly, the first to state the idea of both “vertical pressure” and “lateral pressure” (see: mean girls model) in a liquid, e.g. at different depths. [1]

Quotes | On
The following are quotes on Nemorarius:

“The thirteenth century author, possibly Jordanus Nemorarius, of De Ratione Ponderis, had thought of investigating the weight of an object resting upon an inclined plane. This idea the Netherlander Simon Stevin developed in 1586 into the ‘parallelogram of forces’, demonstrating that three forces in equilibrium at a point can represent both in magnitude and in direction by the sides of a triangle.”
— Richard Kirby (1956), Engineering in History [2]

1. (a) Tartaglia, Niccolo. (c.1545). Jordanus: a Small Treatise: Correction Study with New Growth Figures (Iordani: Opusculum de ponderositate, Nicolai Tartaleae studio correctum novisque figuris auctum) (abs). Publisher, 1565.
(b) Middleton, William E. (1964). The History of the Barometer (pg. 5). Publisher.
2. Kirby, Richard; Withington, Sidney; Darling, Arthur; and Kilgour, Frederick. (1956). Engineering in History (pg. 127). Courier, 1990.

External links
‚óŹ Jordanus de Nemore – Wikipedia.

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