A rare Blondel hysteresis meter by Jules Carpentier, circa 1895

A rare Blondel hysteresis meter by Jules Carpentier, circa 1895

2500 euros

Circa

End of 19th century

Country of manufacture

France

Categories: Physics & Chemistry, Engineering antiques

Description

A rare example in private hands of Blondel-Carpentier hysteresis meter signed on the dial “J. Carpentier/ Ingr Constr/ Paris”. 

The apparatus is aimed at accurately determine the degraded energy of a body, for industrial applications.

This is a quality control apparatus of irons, steels and ferromagnetic metal alloys, by measuring magnetic hysteresis.  

This instrument measures the energy losses by magnetization in steels and irons for using in electric motors, transformers. Like that we can choose the best suited.

Some traces of uses on the brass parts, by the silevered dial is in fine condition.

Rare high precision physical and laboratory instrument.  

Total height : 34 cm ; dimater : 22 cm.  

See :  -BIRAUD (Guy), La restauration et la conservation des appareils scientifiques de collection, 1987, p. 81 ; -Institutional example at the French polytechnic school : https://www.polytechnique.edu/patrimoine/pages.php?notice=000002450&collections=instruments

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FR Le Zograscope

Established by Alexandre Piffault in 2014 and based in Paris, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.

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