Guido da Vigevano or Guido da Vigevano da Pavia was an Italian physician and inventor. He is notable for his sketchbook Texaurus regis Francie, a catalog of military equipment, and his Anothomia Phili
Anatomy of the uterus by Guido da Vigevano, Anothomia Philippi Septimi Chantilly, Musée Condé, Ms. 334, fol. 281v.
Guido da Vigevanos sketch of a crank wagon, Bibliothèque Nationale de France, Paris
A crank is an arm attached at a right angle to a rotating shaft by which circular motion is imparted to or received from the shaft. When combined with a connecting rod, it can be used to convert circu
Guido da Vigevano
…The last record of Guido appears in 1349 and it is widely assumed that he died a year later in the plague of 1350. Works Guido da Vigevanos sketch of a crank wagon, Bibliothèque Nationale de France, Paris Vigevano is best known for his medical and technological treatises. In 1335 he authored the Texarus regis…
Hand crank on a pencil sharpener
Tibetan operating a quern (1938). The upright handle of such rotary handmills, set at a distance from the centre of rotation, works as a crank.
Roman crank handle from Augusta Raurica, dated to the 2nd century AD