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

[2.] This ring renneth in a maner turet, fast to the moder of

thyn Astrolabie, in so rowm a space that hit desturbeth nat the

instrument to hangen after his righte centre.

[3.] The Moder of thyn Astrolabie is the thikkeste plate, perced

with a large hole, that resseyveth in hir wombe the thinne plates

compowned for diverse clymatz, and thy riet shapen in manere

of a net or of a webbe of a loppe; and for the more declaracioun,

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lo here the figure.

[4.] This moder is devyded on the bak-half with a lyne, that