A History of MechanicsDover Publications, 1988 - 662 стор. A remarkable work which will remain a document of the first rank for the historian of mechanics. -- Louis de Broglie |
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... centre of gravity , the centre of gravity of the magnitude made up of these two magnitudes is the point situated at the middle of the line which joins their centres of gravity . ( The proof , based on Postulate 2 ) , is a demonstration ...
... centre of the World . It should be remarked , as Jouguet has done in this connection , 1 that Albert of Saxony's concept of centre of gravity , the point of a body at which all the weight appears to be concentrated , was a purely experi ...
... gravity whose centre of gravity is at the centre of the World . " At this same centre of the World was also to be found the centre of lightness of light bodies . It is this that explains the following picture which he boldly painted ...
Зміст
CHAPTER ONE HELLENIC SCIENCE | 19 |
ALEXANDRIAN SOURCES AND ARABIC MANUSCRIPTS | 32 |
THE XIIIth CENTURY THE SCHOOL OF JORDANUS | 38 |
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