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‎The Scientific Papers of Bertram Hopkinson Collected and Arranged by Sir Alfred Ewing and Sir Joseph Larmor‎

‎Cambridge University Press Malicorne sur Sarthe, 72, Pays de la Loire, France 1921 Book condition, Etat : Bon hardcover, editor's dark blue clothes printed binding, no dust-jacket small and large In-4 1 vol. - 507 pages‎

‎1 portrait in frontispiece and 17 other plates out of text (complete of the 18 plates), and many text-figures 1st edition, 1921 Contents, Chapitres : Prefatory note (November 20), Contents, Memoir on Bertram Hopkinson, biographical (from the Processing of the Royal Society, A, volume XCV), An appreciation (From the Alpine Journal, n° 219, xxvii, Text, 480 pages - Discontinuous fluid motions involving sources and vortex, 1898 - The hunting of alternating-current machines, 1903 - The parallel working of alternators, 1903 - The effects of momentary stresses in metals, 1905 - The elastic properties of steel at high temperatures, 1905 - Brittleness and ductility, 1910 - On holes and cracks in plates - A high-speed fatigue-tester and the endurance of metals under alternating stresses of high freqency, 1911 - The elastic hysteresis of steel, 1912 - A new torsion-meter, 1907 - Notes on the measurement of shaft horse-power, 1910 - The magnetic properties of iron and its alloys in intense fields, 1911 - The magnetic and mechanical properties of manganese steel, 1914 - The calorimetry of exhaust gases, 1904 - Efficiency tests on a high-speed petrol motor, 1907 - On the gases exhausted from a petrol motor, 1907 - On the measurement of gas engine temperatures, 1907 - On the indicated power and mechanical efficiency of the gas engine, 1907 - The effect of mixture strength and scavenging upon thermal efficiency of gas engines, 1908 - On heat-flow and temperature-distribution in the gas engine, 1909 - A new method of cooling gas engines, 1913 - The charging of two-cycle internal combustion engine, 1914 - Explosions of coal gas and air, 1906 - A recording calorimeter for explosions, 1906 - On radiation in a gaseous explosion, 1910 - The pressure of a blow, 1912 - A method of measuring the pressure produced in the detonation of high explosives or by the impact of bullets, 1913 - The effects of the detonation of gun-cotton, 1913-1914 - The position and uses of engineering laboratories in relation to education at college, 1911 - Index - Bertram Hopkinson (Birmingham, 11 janvier 1874 26 août 1918), est un avocat spécialisé en droit des brevets et professeur de mécanique et de mathématiques appliquées à l'université de Cambridge. - Bertram Hopkinson est le fils de John Hopkinson un ingénieur en électricité. Il a étudié au Trinity College (Cambridge), et est devenu avocat après l'obtention de son diplôme. À la suite du décès de son père, de son frère et de deux de ses surs dans un tragique accident de montagne en 1898, il change de carrière pour l'ingénierie et prend la suite des travaux de son père. Il développe alors la barre de pression qui porte son nom (1914). L'application initiale de cet appareil de mesure est essentiellement pour étudier des pressions pendant des événements fortement dynamiques tels qu'une détonation explosive ou l'impact des balles. En 1903, Bertram Hopkinson est élu directeur du département de mécanique et mécanique appliquée à Cambridge, et en 1910, membre de la Royal Society. Il est mort dans un accident d'avion en 1918. (source : Wikipedia) near fine copy, the editor's binding is clean, minor wear on the top of the spine, a number on the bottom of the sine, inside is near fine, but with few library stamps, book plate on the first page, text clean and unmarked, a rather nice copy of the first edition, complete of the 18 plates, no dust-jacket‎