thy rewle sitten in the bordure, up-on the degree of thy sonne.
Ensample as thus; the yeer of oure lord 1391, the 12 day of
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March at midday, I wolde knowe the degree of the sonne. I
soughte in the bak-half of myn Astrolabie, and fond the cercle of
the dayes, the which I knowe by the names of the monthes writen
under the same cercle. Tho leide I my rewle over this forseide
day, and fond the point of my rewle in the bordure up-on the
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firste degree of Aries, a litel with-in the degree; and thus knowe