Introductorium co[m]pendiosum in Tractatum spere material[is] m[a]g[ist]ri Ioa[n]nis de Sacrobusto que[m] abbreuiauit ex almagesti sapie[n]tis Ptholomei Claudij ph[ilosoph]i alexa[n]drini ex Pheludio p[ro]geniti

by Joannes de Sacro Bosco