Inside Out Library · Explore

The Description and Use of the Sector (1624)

Gunter, Edmund · leaf 273

An illustration from The Description and Use of the Sector, 1624, leaf 273
the fine of the latitude: So the tangent of the houre to the tangent of the houre-linefrom the meridian, \X Ang.PoArc.PJa 1 • |Gt. M. -Gr. M. 12 O O, O O j ■■ — - ————- i 3 4* - 2 56 7 3c > 5 52 11 15 851 I ILJ1\—10 18451145*- 22 3.017 57! 26 15 pi 6 2 50 0J24 20 33 45 2736 37 30 31 0 41 15 34… … -r «. Extend the compaifes from the fine of po^r.to the fine ofthe latitude, fo the fame extent fhall reach from the tangentof the houre,to the tangent of the houre-line from the me-ridian.Thus the latitude being slgr.30 m.l extend the com-pares from the fine of po^r.to the fine of 51^.30 m. &…

Internet Archive · Public Domain Mark 1.0. Free to use for anything.

More pictures from The Description and Use of the Sector

More like this