EditorialTitelblatt zu de Sacrabosco ' ... little of the globe ...', Title page for de Sacraboscos '... libellus de sphaerae ...' from the 16th century, title page, 1549, Johannes de Sacrobosco, Philipp Melanchthon, Erasmus Reinhold: Ioannis de Sacrobusto libel...
Editorial[Whole opening] Finger calculations, and a table of Greek and Roman letters signifying numbers, and illustrated by diagrams. From Bede's second Tract on Time, composed in 725. Treatises on the computus. England; early 12th century. Source: Royal 13 A. ...
EditorialDiagram showing the method of counting by use of the fingers. Treatises on the computus. England; early 12th century. Source: Royal 13 A. XI, f.33v. Language: Latin.
EditorialWorld map. Tracts on Astronomy, etc. England [Salisbury, co. Wilts.]; late 11th or earl. [Whole folio] A world map in a computus manuscript Image taken from Tracts on Astronomy, etc. Originally published/produced in England [Salisbury, co. Wilts.]; l...