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

labelle to that coste as it is before seyd. But than thou shalt

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understonde that thou may not bringe furthe the label fro the

degree of the mone as thou dide before; for-why the sonne is

than in the same degree with the mone. And so thou may at that

tyme by the point of the labelle unremeved knowe the houre of

the flode or of the ebbe, as it is before seyd, &c. And evermore

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as thou findest the mone passe fro the sonne, so remeve thou the

labelle than fro the degree of the mone, and bringe it to the