Buch 
The description and use of the globes and the orrery. To which is prefix'd, by way of introduction, a brief account of the solar system / by Joseph Harris
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Sect. j. the GLOBES.

Thus, if the Sun rises at' 4 oClock,(consequently sets at 8) and the Hour givenbe 5 in the Evening, the Babylonick Hourwill be the 13th, the Italick the 21st; andthe JewiJh Hour will be Nine and ThreeQuarters.

The Converse being given, the Hour ofthe Day, according to our Way of reckon-ing in England , may be easily found.

The following Problems are peculiar tothe Celejlial Globe.

Prob.XXXIV. 7 0find the Right Ascension

and Declination of the Sun , or any Fixed

Star.

Bring the Suns Place in the Ecliptick tothe Meridian; then that Degree of theEquator which is cut by the Meridian, willbe the Sun s Right Ascension ; and that De-gree of the Meridian, which is exactly overthe Suns Place, is the Sun's Declination.After the fame Manner, bring the Place ofany fixed Star to the Meridian, and youllfind its Right Ascension in the Equinoctial,and Declination of the Meridian.

Thus, the Right Ascension and Declina-tion is found, after the same Manner as theLongitude and Latitude of a Place upon theTerrestrial Globe.

Note, The Right Ascension and Decli-nation of the Sun vary every Day; but theK 3 Right

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