t of the ftyle,and there make vnequall angles. CHAP. I. To draw the houre-lines in an equi-nofliall Plane. AN equinoctiall plane is that which is parallell to y equi-nocliall circle here reprefentcd by EAtf^ wherein thefpaces betweene the houre circles being equall, there is noneed of further… … the ftyle perpendicular to the plane in the center of the cir-cle. The help which thefe lines of proportion doe here af-foordvs, isonely in the diuifion of the circle, which maybe done readily by that which I fhewed before^P^.ip. For example, fuppofe the femidiameter of the equino-ftiall circle to…
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
