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Scientific American Supplement No. 299

By Various

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Book Id: WPLBN0000614192
Format Type: PDF eBook
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Title: Scientific American Supplement No. 299  
Author: Various
Language: English
Subject: Literature & thought, Literature and history, Literature & philosophy
Collections: Project Gutenberg Consortia Center
Publication Date:
Publisher: Project Gutenberg Consortia Center


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Various,. (n.d.). Scientific American Supplement No. 299. Retrieved from

The death of this distinguished man must be recorded. An interesting resume of his labors by M. Daubree has appeared, from which we take the following facts. After a training in his native town at the Lyceum of Metz, which furnished so many scholars to the Polytechnic school, Delesse was admitted at the age of twenty to this school. In 1839 he left to enter the Corps des Mines. From the beginning of his career the student engineer applied himself with ardor to the sciences to which he was to devote his entire existence. The journeys which he undertook then, and continued later, in France, Germany, Poland, England, and Ireland, helped to confirm and develop the bent of his mind. He soon arrived at important scientific results, and was rewarded, in 1845, by having conferred to him by the university the course of mineralogy and geology in the Faculty at Besancon, where Delesse at the same time fulfilled the duties of engineer of mines. Five years later he returned to Paris, where he continued his university duties, at first as deputy of the course of geology at the Sorbonne, then as master of the conferences at the Superior Normal School. Besides this, he continued his profession of engineer of mines as inspector of the roads of Paris. The first original researches of the young savant concern pure mineralogy; he studied a certain number of species, of which the chemical nature was yet uncertain or altogether unknown, and his name was appended to one of the species which he defined.

Table of Contents
CONTENTS. I. ENGINEERING AND MECHANICS.--On the Progress and development of the Marine Engine.--Marine engines.--The marine boiler.--Steel boilers.--Corrosion of boilers.--How the marine engine may be improved.--Consumption of fuel.--Evaporative efficiency of marine locomotive boilers.--Screw propellers


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