Chaucer's Works, Volume 3 — The House of Fame; The Legend of Good Women; The Treatise on the Astrolabe; The Sources of the Canterbury Tales

by Geoffrey Chaucer

[33.] To knowe the senith of the altitude of the sonne, &c.

[Ad cognoscendum signa de altitudine solis.]

This is no more to seyn but any tyme of the day tak the altitude

of the sonne; and by the azimut in which he stondeth, maystou

seen in which partie of the firmament he is. And in the same

wyse maystou seen, by the night, of any sterre, whether the

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sterre sitte est or west or [north], or any partie by-twene, after the

name of the azimut in which is the sterre. And for the more

declaracioun, lo here the figure.