Celestial and 'Terrestrial Globes. 277

there falls upon is the fun’s azimuth at thattime, which may be reckoned from eitherthe south or north points of the horizon.

Method II.

314. If you have only a glimpse, orsaint sight of the sun, the globe being ad-justed as before, stand on the shady side,and hold the plomb line on that side also,and move it till it cuts the fun’s center, andthe elevated pole at the fame time, thencast your eye towards the broad paper circle,and the degree it there cuts is the fun’s azi-muth, which must be reckoned from theopposite cardinal point.

PROBLEM LXI.

To shew that in some places of theearth’s surface, the sun will betwice on the same azimuth in themorning, twice on the same azi-muth in the afternoon; or, inother words,

315. When the declination of the funexceeds the latitude of any place, on either

T 3 side