Astronomy.

of nt °f Altitude , for shewing the Height^ j Luminary above the Horizon ; andan d most beautiful Horary Circlet glowing the Time corresponding

V‘ e Motion of the Sphere: Also the So-}\. for fixing the Sun to its proper

U.^th t Ecliptic.

\ lS easy to conceive, that the Sun wist-enlighten one Half of the Earth ; and**** the Sun is in the Equinoctial,V^ lrc ^ e w hich terminates the enlightened and-Hemispheres (which is called thePo! e j Illumination) will piss through the

s °f the Earth , and also divide all thee ' ls °f Latitude into two equal Parts,'of the Earth moves not in the Planel He a C } h uln oclial, but that of the Ecliptic ,l& ° f the Earth will be inclined to that^Ptic in an Angle of 23 Degrees 29> and therefore the Circle of Illumi-Kqq at all other Times, divide the°s Latitude into two unequal

fince any Parallel is the Path orvrte any Place therein describes in

° lution of the Earth, or 24 Hours 5.^8 • ti ° re that Part of the Parallel which-s ?Ht J^ e ^lightened Hemisphere will repre-\ Je Hiurnal Arch , or Length of the

° L - Hi, N Hay:,

^Hel

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