The elements of conic sections

  • This material is held at
  • Reference
      GB 123 DWL/RB/1/199
  • Former Reference
      GB 123 Treatises v.26 Treatises v.157
  • Dates of Creation
  • Physical Description
      ff 116-121 (f 116 and f 121v are blank); 210 x 170 mm.

Scope and Content

'The elements of conic sections'. A quarto tract by a comparatively modern hand: ‘A Parabola is a curve Line terminating or bounding a plane figure made by one particular way of cutting a Cone, i.e. as we shall see, cutting it by a plane parallel to one of the sides.’


The Toleration Act of 1689 did not contain the word toleration in its title, although it was soon given that name. See Entring Book Glossary.

Other Finding Aids

Argent / Black v.157 (also listed as v.26); Thomas p.25