Guy's Elements of astronomy : and an abridgment of Keith's New treastise on the use of the globes (1864)
Guy, Joseph, 1784-1867, Keith, Thomas, 1759-1824. A new treatise on the use of the globes · Philadelphia, C. Desilver · leaf 93
he two forces acting lo^etlier, will describe%e line A a D. In the beginning the Grand Mover im.pres5:ed such a degree of mo-tion upon these bodies as if not controlled would have whirled themciriwards in straight lines to endless lenp;ths till they would have beenlost to imagination in the abyssj… … ^ 3 Ihira^, . l-ifli PVit^ 0]S THE CENTRE OF GRAVITY. 67 CHAPTER XIX. ON THE CENTRE OF GRAVITY. Fme Centre of Gravity is that point of the body, inwhich its whole weight is, as it were, concentrated, andupon which, if the body be freely suspended, it willrest. A weight of 1 cwt. at 10 feet fix)m a…
Astronomy
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