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réf. DADAX0199609322New unknown
1840réf. 42912London Richard and John E. Taylor 1840. 4to. No wrappers as extracted from "Philosophical Transactions" 1840 - Part II. Pp. 385-456 a. 3 lithographed plates one folding. Clean and fine. First printing of an influential paper in structural mechanics."In 1840 Hodkinson presented his investigation on buckling of columns to the Royal Society the paper offered. His purpose was to verify the theoretical formula of Euler.Cylindrical solid and hollow specimens with rounded and flat ends were tested. Foer slender solid struts good accord was found with Euler's formula.It was also found that a strut with flat ends has the same strenght as a shorter strut og half its lenght which has rounded ends.""Hodkinson baceme the professor of mechanical principles of engineering in University College London in 1847 and during his tenure of the chair he participated as a member of teh Royal Commission appointed to inquire into the application of iron to railway structures. In 1841 Hodgkinson was awarded a Royal Medal for his work on strenght of pillars and in the same year he was elected a Fellow of the Royal Society."Timoshenko "History of Strenght of Materials" p. 128-29. - Darmsatedter 1840 H. unknown
2005réf. 63865219National Academy Press 2005. Papeback. New. pp. xii 196 National Academy Press unknown
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