orizon and the azimuth lines vpon your plane are repre-sented in this figure by thofc at V, betweene V B and theazimuths. The angles betweene the horizon and the azi-muth lines being complements to the former, arc reprefen-ted either by thofe which are made by V E or by B H, andthe azimuth lines… … As the fine of 90gr. to the cofine of the angle at the zenith:So the tangent of the inclination to the horizon, to the tangent of the angle betweene the horizonand the verticall line. In our example where the inclination to the horizon is36 gr. and the angle at the zenith betweene the azimuth a«the…
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