label on the degree of the sonne, and rikene how many degrees of
the bordure ben by-twixe the lyne meridional and the point of thy
label; and note wel that noumbre. Turne thanne a-gayn thyn
Astrolabie, and set the point of thy gret rewle, ther thou takest
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thyne altitudes, up-on as many degrees in his bordure fro his
meridional as was the point of thy label fro the lyne meridional on
the wombe-syde. Tak thanne thyn Astrolabie with bothe handes
sadly and slely, and lat the sonne shyne thorow bothe holes of thy
rewle; and sleyly, in thilke shyninge, lat thyn Astrolabie couch