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The Prologue With Penwork Initial, In John Dumbleton's Summary Of Logic And Natural Philosophy

The Prologue With Penwork Initial, In John Dumbleton's Summary Of Logic And Natural Philosophy

Medium: Ink and pigments on vellum

Date: 1360

Shelfmark: Royal MS 10 B.xiv

Item number: f.4r

Length: 28

Width: 18

Scale: Centimetres

Genre: Illuminated manuscript

John of Dumbleton (in Gloucestershire, between Cheltenham and Evesham), who died in 1349, spent most of his life in Oxford, and was a member of a group of mathematicians who studied kinematics, and were the first to develop the 'Mean Speed Theorem' in 1334. He is most famous for having written the present work. The first page of text contains a prologue; the first rubric names the author as Master John 'Dumblytone'. The appearance of the page is fairly typical of academic texts such as this: the parchment is not of very high quality; the script is small, cursive, and uses a considerable amount of abbreviation; and the decoration is not lavish.

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