1. The discovery of Boyle's law, and the concept of the elasticity of air in the seventeenth century

   • C. Webster

   OriginalPaper Pages: 441 - 502

2. Aus den Briefbüchern Georg Cantors

   • Herbert Meschkowski

   OriginalPaper Pages: 503 - 519

3. The Practica Geometriae of Dominicus de Clavasio

   • H. L. L. Busard

   OriginalPaper Pages: 520 - 575