Unique at Penn

Manuscript Monday: Penn Library’s LJS 216 – Tractatum de spera (Video Orientation) (opens in new tab)

Dot Porter, SIMS Curator of Digital Humanities, presents a Video Orientation to University of Pennsylvania Library’s LJS 216 – Tractatum de spera. A collection of three scientific works, nearly contemporary with the life of the author: one work on cosmology and astronomy, one on arithmetic, and one on the division of time according to the […]

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