Title: 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
Subjects: Astronomy, Early works to 1800