Snell, Willebrord, 1591-1626 (called Snellius)
Found in 4 Collections and/or Records:
Identifier: Coll-33/Quarto A [38.1]
Scope and Contents A discussion, probably inspired by Sir Isaac Newton, of whether it was Willebrord Snell or Voss who discovered a law of refraction first, from which Rene Descartes arguably derived his version at last.
Series — Volume: Dc.1.61
Identifier: Coll-33/Folio C
Scope and Contents The papers of David Gregory consist of: These are mostly handwritten items, bound together as a volume, though with some loose insertions of manuscripts which had strayed, some of them with modern annotations concerning their provenance. Their scope and content is as David Gregory indexed them, save for the missing items, which consist of two dozen papers and letters on general physics and maths, and several...
Identifier: Coll-33/Folio C [index]
Scope and Contents An index, in Gregory's hand, to the material he designated as Folio C.
Series — Box: Dk.1.2
Identifier: Coll-33/Quarto A
Scope and Contents The papers of David Gregory in Quarto A consist of: 107 manuscript papers and an index, relating to: theoretical physics, including optics, especially treatises on refraction and colour, on mechanics, specifically on velocity, gravitation, centrifugal and centripetal force, and the movement of solids through fluid, and an occasional thought on magnetic attraction. Applied physics, considering ships, tides, and...