Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 204
points. It can be done generally more readily by balancingthe body in horizontal positions on different lines of support; the centre of gravity willlie in the intersection of planes perpendicular to these lines. A body, unless the verticalline from the centre of gravity falls within the base of…
Mechanical drawing
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