Miniature of Richard of Wallingford, Abbot of St. Albans, mathematician and inventor of a mechanical astronomical clock. He is shown seated at his desk measuring with a pair of compasses.

• Title of the book: History of the abbots of St Albans.
• Author: Thomas of Walsingham
• Date: 14th century
• Language: Latin

The first version is a lossless adaptation from: [1]

The current version was digitally changed for better visualization.

From The British Library; Record Number - c3919-08; Shelfmark - Cotton Claudius E. IV; Page Folio Number - f.201.

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