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The Description and Use of the Sector (1624)

Gunter, Edmund · leaf 268

An illustration from The Description and Use of the Sector, 1624, leaf 268
ylarline wherein the-ftyle (hall ftand. Theh^ to pro-portion the ftyle vnto the plane, cqniider thelength of the horizontal! line, and what houre?-lines you would haue to fall on your plane. For thediftance of anyone houfe-line fromthe meridian being knowne, wemayflnde boththe length of the ftyle… … Suppofe the length of thehorizontall line to be it in-ches, and that it were required to put on all the houre-linesfrom 7 in the morning vnto 5 in the euening.Here we haue5 houresand6 inches on either fide the meridian1. Where-fore I allow 15 ^r.for an houre^and extending the compaffesthe compaires…

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