The description and use of the sector, crosse-staffe, and other instruments : with a canon of artificiall Sines and Tangents, and the use thereof in astronomie, navigation, dialling and fortification .. (1636)
Gunter, Edmund, 1581-1626 · London : Printed by William Iones for Iames Bowler · leaf 404
the other,andthediflanceof each Azimurh , from thefooteof the ftylevpon the horizonrall line, may be found in this man r. _ Confider the length ofthe ftyle in inches and parts of in-ches, and the diftance of each Azimuth from the ftyle, accor-ding to the angle at the zenith in degrees and minutes.… … As if it were required to draw the common azimuths onthe South face of the vertical! plane before defcribed, whereA B the length of the flyle may be fuppofed to be 10 inches. Here the plane hauing no declinatio,the flyle is in the plane of the meridian, and io pointeth directly into the South. The…
Astronomy · Puritans
Internet Archive · Princeton University Library · Public Domain Mark 1.0. Free to use for anything.
