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 202
may appeare if in ftead of the ftations at *Aand H, we make choile of the like ftations at/and K. There might be other waves piopofed to work thefe Prop,by holding the CroiTc even with the diftance, and the Stafteparallel! with the height:but thefe would proove more trou-blefome,andthofe which… … / \ .V Y *4* >* / **\p* \ \ / Jo S v3? \ \ \ \ / / >b A # \ *• - / ,,♦ «s> s \ \ • / / ^ \ i i . ,*■ J *i ? *• • : ! $ ^ *• \ •. \ * ** .i0 *• \. i ■• ** • 0 *.•. •• - 0. .. .... X? ti \»v i To fnde an angle by the Tangenton the Staffe. Ftthemidle fight be alwaies fetto the middle of…
Astronomy · Puritans
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