shaltow finde tables of equacions of houses aftur the latitude of
Oxenford; and tables of dignetes of planetes, and other noteful
thinges, yif god wol vouche-sauf and his modur the mayde, mo
than I be-hete, &c.
PART I.
Here biginneth the descripcion of the Astrolabie.
[1.] Thyn Astrolabie hath a ring to putten on the thoumbe of
thy right hand in taking the heighte of thinges. And tak keep, for
from hennes-forthward, I wol clepe the heighte of any thing that
is taken by thy rewle, the altitude, with-oute mo wordes.