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BRILLAT, Charles || BAZAINE, Pierre. Métrologie française, ou traité du système métrique d'après la fixation définitive de l'unité linéaire fondamentale. 

Paris, Levrault frères, An X [1802].

8vo (200x120 mm), xv-(3)-276-128 pages and 8 folding plates.  binding : Contemporary quarter sheep, flat spine. Binding rubbed. Few foxings. 

First edition.

The harmonization and rationalization of measurement systems was an important reform brought about by the French Revolution. This results in the adoption of the decimal system and the definition of the standard meter according to the measurement of the meridians.
"Thus the whole system of new measurements is based on the following two bases: 1 / The fundamental unit (the prototype) is the distance from the pole to the equator. 2 / The number ten is the unique divisor." (extract from the preliminary speech)

Brillat et Bazaine's work presents the new measurement system, as well as the equivalences with the old measurements. Following is the new Decimal scale for traders.

Price : 300 €

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