any of thise houres that ben passed, or elles how many houres or
partie of houres ben to come, fro swich a tyme to swich a tyme,
by day or by nighte, knowe the degree of thy sonne, and ley thy
label on it; turne thy riet aboute ioyntly with thy label, and with
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the point of it rekne in the bordure fro the sonne aryse un-to
the same place ther thou desirest, by day as by nighte. This
conclusioun wol I declare in the laste chapitre of the 4 partie of
this tretis so openly, that ther shal lakke no worde that nedeth to
the declaracioun. And for the more declaracioun, lo here the