by day than by night, and som-tyme the contrarie. But understond
wel, that evermo, generaly, the hour in-equal of the day
5
with the houre in-equal of the night contenen 30 degrees of the
bordure, whiche bordure is ever-mo answering to the degrees of
the equinoxial; wher-for departe the arch of the day artificial in
12, and tak ther the quantitee of the houre in-equal by day.
And yif thow abate the quantitee of the houre in-equal by daye
10
out of 30, than shal the remenant that leveth performe the houre