Henri-Louis Duhamel du Monceau

"There is nobody who is not surprised of the small price of pins; but we shall be even more surprised, when we know how many different operations, most of them very delicate, are mandatory to make a good pin. We are going to go through these operations in a few words to stimulate the curiosity to know their detail; this enumeration will supply as many articles which will make the division of this work... The first operation is to have brass go through the drawing plate to calibrate it."

"This Duhamel has invented an infinity of machines which serve no purpose, has written and translated a multitude of books on agriculture, of which it is not known if they have any useful result, that is still awaited."

"Though he loved many innovations in science and devoted his life to introduce useful ones in the arts, he didn't like them in politics and even less in the statutes of the academies"

"New “agronomy,” [was] an experimental science of agriculture founded around midcentury by the chemist and botanist Henri-Louis Duhamel du Monceau"

"The French botanist and chemist Henri-Louis Duhamel de Monceau (1700–1782) identified a fungal disease on the bulbs of saffron crocus (now named Helicobasidium purpureum) and illustrated its sclerotia on the bulbs. His report was read to the Academie royale des Sciences in April 1728; it was “wellconceived, thorough, and conclusive, and led to his election as adjoint chimiste in the same year” (Eklund 1971:223). Duhamel discovered that this fungus spreads underground from one bulb to another. In his Éléments d’agriculture (two volumes, 1762; English edition, 1764), he also accepted insects as a cause of some plant diseases."