London, British Museum, Harley 3017 Century 10 Precise date 920 Method of Dating i (ut ex fine miscellaneorum ad calendarium pertinentium apparet) Subject 1 Astronomy, Mathematics Material Membr. Format 4 Printed catalogs A Catalogue of the Harleian Manuscripts, in the British Museum II (1808) 725. Source Folkerts | Harley Cat. II (1808) Type of source cat. | pvt. notes Source’s source insp. Work 1Title (ms.) Varia, inter quae: Additional remarks 60 parts Work 2Title (ms.) De Itineribus & mensuris agrorum Item no. 3 Work 3Title (ms.) De compotu vel loquela digitorum Item no. 19 Work 4Title (ms.) De cursu & eclipsi solis Item no. 21 Work 5Title (ms.) Numeri Contents Numeri per quos potest qui voluerit alterius cogitationes de numero quolibet quem animo conceperit explorare. Item no. 31 Work 6Title (ms.) De terrae motu Item no. 38 Work 7Title (ms.) De arithmetica Item no. 47 T & K TK 140 Work 8Title (ms.) De inventoribus geometricae, & vocabulo ejus Item no. 48 T & K TK 585 Work 9Title (ms.) De ponderibus Item no. 50 T & K TK 1060
