Soc. d'Encouragement, 1898, pp. 36-76), chiefly with the object of determining their suitability for the construction of permanent magnets.
C. Roberts-Austen's six Reports (1891 to 2904) to the Alloys Research Committee of the Institution of Mechanical Engineers, London, the last report being concluded by William Gowland; the Cantor Lectures on Alloys delivered at the Society of Arts and the Contribution a l'etude des alliages (2902), published by the Societe d'encouragement pour l'industrie nationale under the direction of the Commission des alliages (2896-2900), should be consulted.
A self-compensating brake of another kind, by Marcel Deprez, was described with Carpentier's in 1880 (Bulletin de la societe d'encouragement, Paris).
Bulletin Soc. d'Encouragement pour l'Industrie Nationale, Paris, 1894.
In 1828 he was awarded the prize offered by the Societe d'Encouragement pour l'Industrie Nationale for a process of making artificial ultramarine with all the properties of the substance prepared from lapis lazuli; and six years later he resigned his official position in order to devote himself to the commercial production of that material, a factory for which he established at Fleurieux sur Saone.