Mr. Stephen Gray, F. R. S. His Last Letter to Granville Wheler, Esq; F. R. S. concerning theRevolutions Which Small Pendulous Bodies Will, by Electricity, Make Round Larger Onesfrom West to East as the Planets do Round the SunAuthor(s): Stephen GraySource: Philosophical Transactions (1683-1775), Vol. 39 (1735 - 1736), p. 220Published by: The Royal SocietyStable URL: http://www.jstor.org/stable/104009 .

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1I. Mr Stephen (iray, Fi R. S. hzw Zct/? Le/tet to Glanville Wheler, E/q; F.R. KS cotlceryging the Revolutions which JAnall pend u l ousBod ies tig? hY :Eledricity, make routzdS /4rger otses f rom We/t to Ev as he Planets do rosad the Sun.

T HAVE lately made feveral new Expeiments up [ on tlae projed;tile and pendulolls Motion offtnall

)3odies by Eledtricity, by which fmall Bodies may be made to lBove about larger onesx cither in Circles orEllipres, and that either concentrical or excentri

cal to the Cetlter of tlle larger Bodies abotlt whicll they £not;.e fo as to make many Revolutiorls about them; arld tllis INIotioll will be conRatltly the fame Way that tlle Planets move about the Sun) tiZv from the Right tO ehe Left) or from Well to Ea{t: But thele little Pl4¢ets, if I lnay fO call them, move mucl faRe1 sn their Apsgesw, then in the iPerigeoa Parts of rlaeir C)rbits ; which is, as you very well knoxzr} direftly contrary tO the Motion of the Planets al)out fhe Sula. I llave nor yer communicated theSe Ex- peri.ments to rlle Royal Society, beirlg in hopes of making fome farther DiScovery or at leaR of Ihewirlg them afterfomexvhat more elegant a nzautler tha I rzlake tluem at preSent, when you may exped to hear a farther .icbount of them from

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