. for the houresof 9 and 3,and the tangent of 60 gr. for the hourcs of 8 and 4, and thetangent of75^r.for the hourcs of 7 and 5., Or if any plcafe to let downe the parts of an houre,he mayallow 7gr.%efw.for cuery halfe houre,and 3 gr.q$ mSox eue-ry quarter. This done,you are to confider the latitud… … Tbe<vJeoftheleJJ*rTa*genu * il%^ For example, about London the latitude Is £lgr. 30 ml and let the plane be verticall. If you take A V the fecant of 51 gr. 30 m, out of th e Se£?or,md prick e it downe in the me- I ridiah line from A vnto V? the point V ihall be the center s J and if you draw…
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