Treatises and notes on the signs of the zodiac, the four elements, the planets, the sphere, geomancy, the astrolabe, astrology, etc.
Part of the manuscript is written in cryptic writing.

A manuscript of the Speculum Mathematicum sive de numerorum figuratorum resolutione of James Dowson of Chester (printed 1614), with astrological notes; and 'Shorte astrologicall judgments of the 12 howses of the heavens, first written by Gerrardus and after by Cornelius Agrippa augmented'.