nd ofaltitude has its corresponding time from noon; and thus the time and altitude haveFig. 51. . ._ a scientific connection, which can only be disen-tangled by spherical tri-gonometry. But weproceed to the problem.Draw a circle, P ZQ M, &c, (Fig. 51),^representing the meri-dian; Z is the… … PRACTICAL PROBLEMS. 239 Take H a, h a, equal to the observed altitude of the sun, chap, land draw the small circle, a a, parallel to the horizon, Hh.From the equator take Q d, qd, equal to the decimation ofthe sun, and draw the small circle, d d, parallel to Q q.Where these two small circles, a a,…
Astronomy
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