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 398
uide the day intowelue i quail houcs5and the night into t welue other equalhomes, and lb the whole day and night in:o 24 houres. Ofthcfe24, thole which belonged vnco the day, weredihcrlonger or fhorter (excepting ihe two axjumocliall dayes)then thole which belonged vnto rhe night; and the… … To expreflc thefe in the former Planes t firft draw thecommon houre-lines, the squaror, and the tropiques, as be-fore : then defcnbe two occult parallels or the length of theday, one for 9 honres, the other for 15 houres j for fo youmav draw a ftraght line for the firft vnequall houre through5 ho,…
Astronomy · Puritans
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