declaracioun, lo here thy figure.

[21.] The Riet of thyn Astrolabie with thy zodiak, shapen in

maner of a net or of a loppe-webbe after the olde descripcioun,

which thow mayst tornen up and doun as thy-self lyketh, conteneth

certein nombre of [sterres fixes], with hir longitudes and latitudes

5

determinat; yif so be that the makere have nat erred. The names

of the sterres ben writen in the margin of the riet ther as they sitte;

of whiche sterres [the smale poynt is cleped the Centre]. And

understond also that alle sterres sittinge with-in the zodiak of thyn