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r, as sonT^ r ' Orrery (though a modern Name)Et ymo i e what of Obscurit ■ in respect of its Origin, orJY,o r( j °gy ; some Persons deriving it from a Greek^ ot '°ns * C ^ ' m P orts to fee or view , because in it theVig S the heavenly Bodies are all represented tohy that^c?. or ma< le evident by Inspection : but othersffftetit r ^ c ^ ar d Steele first gave this Name to an In-°t th e ] this Sort, which was made by Mr. RowleyP't'iit of ate ® ar l of Orrery , and fhew’d only the Move-ae Hc e t °ne or two of the Heavenly Bodies. From°^e<i ;* an y People have imagined that this Machiner. tovention to that Noble Ford.q the Invention of such Machines as we nowEar lie r jy lES ' IEs 5 and Planetariums, is of a much^ r cb ' ate ’ hrst we have any Mention of is that

\ a §h lnie ^ c: '> generally called Archimedes ’s Sphere ;“ p hE JlE lt was more than what we now-a-days call ajhd s m E d Which is an Instrument consisting only of large^* ac hin e ^hcles artfully put together ; but this famous? n 'l c 0jl rn ^ Archimedes was of a more complex Nature,u?^ovv Ji of a Sphere, not of Circles, but of an■j. "L e Ce 3 obular Surface of Glass, within which was aaft-° 0ri Alechanifm to exhibit the Motions of the^rts'irj K' ^ Un ’ an fi the Five Planets. This Ciceroo .3- B U( . 18 ^usculan Questions.ls Splip . triost copious and accurate Description ofe Poet- f- 6 18 that of Claudian , in Latin VMe. Thus-y Pngs: J

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ad Supcros talia diuta dedit.m ortalis progreffa potentia cur a ?Meus infragili luditur orbe labor.

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