square plate perced with a certein holes, some more and some

lesse, to resseyven the stremes of the sonne by day, and eek

by mediacioun of thyn eye, to knowe the altitude of sterres by

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nighte. And for the more declaracioun, lo here thy figure.

[14.] Thanne is ther a large Pyn, in maner of an extree, that

goth thorow the hole that halt the tables of the clymates and the

riet in the wombe of the Moder, thorw which Pyn ther goth a

litel wegge which that is cleped 'the hors,' that streyneth alle

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