degree of the sonne. And worke thou than as thou dide before,
&c. Or elles knowe thou what houre it is that thou art inne, by
thyn instrument. Than bringe thou furth fro thennes the labelle
30
and ley it upon the degree of the mone, and therby may thou wite
also whan it was flode, or whan it wol be next, be it night or
day; &c.
[The following sections are spurious; they are numbered so as to shew what propositions they repeat.]
[41a.] Umbra Recta.
Yif thy rewle falle upon the 8 poynt on right schadwe, than make