1. Astronomical use of pinhole images in William of Saint-Cloud's Almanach Planetarum (1292)

   • J. L. Mancha

   OriginalPaper Pages: 275 - 298

2. Relativistic collisions: The work of Christian Møller in the early 1930s

   • Helge Kragh

   OriginalPaper Pages: 299 - 328

3. The principle of rigidification

   • James Casey

   OriginalPaper Pages: 329 - 383

4. Corrections and additions for “Maria Gaetana Agnesi”

   • C. Truesdell

   Erratum Pages: 385 - 386