The Elements of Natural Or Experimental Philosophy, Τόμος 1

above-mentioned aeroftatic afcended afcenfion aftronomers alfo almoſt alſo altitude angle aphelion appear atmoſphere Avoirdupois axis balloon becauſe cafe called cauſe celeftial bodies centre circle comet confequence confiderable conftellations courſe defcribed diameter difc diſtance earth eaſily ecliptic Engliſh equal equator equinox faid fame fatellites fecond feems feen feet fhadow fhew fhort fide figns fince firft firſt fituation fixed ftars fize fmall fmaller folar fome fometimes fouth fpectator ftones fuch fun's fuppofed furface fyftem globe greateſt horizon inches increaſes inftrument interfection itſelf Jupiter latitude lefs Libra light likewife longitude machine mean meaſure meridian meteor moft moon moon's moſt motion move muft muſt neceffary nodes obferved oppofite orbit paffes paffing parallax perfons Philofophical planets pole prefent purpoſe quadrant refpect refraction repreſents rife round the fun Saturn ſeen ſmall ſphere ſpots ſtars ſtate teleſcope theſe thofe thoſe tion uſe vernal equinox weft whilft