Guido’s Texaurus, 1335
By A. Rupert Hall
On pre-modern technology and science: a volume of studies in honor of Lynn White Jr. (Malibu, 1976)
Synopsis: In 1335, Guido da Vigevano, an Italian physician, wrote a treatise for the French king Philip VI, on the subject of launching a crusade to recapture Jerusalem and the Holy Land. This article examines the chaptes in this treatise about warfare and in particular the siege machines and devices that Guido detailed.