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Horace-Bénédict de Saussure - ‎Essais sur l'hygrométrie - 1783

Horace-Bénédict de Saussure - ‎Essais sur l'hygrométrie - 1783

Description
Horace-Bénédict de Saussure - ‎Essais sur l'hygrométrie - 1783
Science (general) - Quantity: 1 - Book

First quarter-edition of one of the founding books of modern meteorology, which establishes hygrometry as an exact science, by the famous author of “Voyages dans les Alpes”, one of the greatest Swiss scientists of the 18th century. An in-8 edition was published the same year.

In this very important work, Saussure (1740-1799) describes how to build a hair hygrometer capable of measuring the degree of humidity. The author also makes known his discovery: the air expands and becomes specifically lighter as it becomes charged with humidity.

"One of the most beautiful works," says Cuvier, "whose science was enriched at the end of the eighteenth century."

Two plates engraved on copper are connected at the end of the volume: the first represents the hair hygrometer invented by the author and built for the first time by Paul in Geneva.

Book as published, bound, on the waiting cover. As is: flounces, gaps on the back, wetness on the top cover and inside the book visible on pages 264 to 285 and 304 to 336 (see photos).

Horace-Bénédict de Saussure, Professor of Philosophy in Geneva

Hygrometry tests. I. Description of a new comparable Hygrometer. II. Theory of hygrometry. III. Evaporation theory. IV. Application of the previous theories to some phenomena of meteorology.

Neuchâtel, Chez Samuel Fauche Father and Son, 1783

in-4 of xxiv-367pp.

Lot details
Object
Book
Number of Books
1
Subject
Science (general)
Author/ Illustrator
Horace-Bénédict de Saussure
Book Title
‎Essais sur l'hygrométrie
Condition
Poor
Publication year oldest item
1783
Edition
1st Edition
Language
French
Original language
Yes
Number of pages
367
Dimensions
26×21 cm
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