Abstract
THE June number of the Bulletin de la Société d'Encouragement pour l'Industrie Nationale contains the programme of prizes and medals proposed by the Society for 1901 and following years. The questions proposed for solution cover a large field; omitting many which have only a local interest, the chief problems suggested as prize subjects for 1901 are as follows. In Mechanics, prizes of 2000 francs for a motor weighing less than 50 kilograms per horse-power developed; for an important advance in mechanical methods of transmitting energy; and for automobiles suitable for use in towns and in the country respectively, the conditions laid down for the motor car suitable for towns requiring the absence of fumes or smell, and in the case of the one for use in the country, only such fuel to be used as can ordinarily be obtained in country towns. In Chemistry, a prize of 1000 francs for the utilisation of any waste product; of 2000 francs for a publication useful to chemical or metallurgical industry; two prizes of 500 francs each for scientific researches in chemistry, of which the results can be utilised in industrial work; a prize of 2000 francs for an improvement in the manufacture of chlorine; one of 1000 francs for the disco very of a new alloy useful in the arts; and of 2000 francs for a study of the expansion, elasticity, and tenacity of pottery clays and glazes, for a scientific study of the physical and mechanical properties of glass, for a new method of manufacturing fuming sulphuric acid and sulphur trioxide, and for the manufacture of a steel by the introduction of a foreign element possessing specially useful properties. In the Economical Arts, 2000 francs for an invention of new methods allowing of the utilisation for lighting and heating, either for domestic or industrial purposes, of petroleum, density not less than 0.800; 2000 francs for a continuous extractor; 3000 francs for a method of purifying water for domestic use; and 2000 francs for a 2-candle power incandescent electric lamp fulfilling certain special conditions.
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Prize Subjects of the Paris Société D'encouragement . Nature 62, 380 (1900). https://doi.org/10.1038/062380a0
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DOI: https://doi.org/10.1038/062380a0