1. On the optical behaviour of crypto-crystalline quartz

   • C. V. Raman
   • A. Jayaraman

   OriginalPaper Pages: 1 - 6

2. Raman spectra of borax, kernite and colemanite

   • D. Krishnamurti

   OriginalPaper Pages: 7 - 11

3. Transmission of ultrasonics through rocks

   • S. Balakrishna

   OriginalPaper Pages: 12 - 14

4. Nuclear interactions of K-mesons

   • R. R. Daniel
   • D. Lal

   OriginalPaper Pages: 15 - 24

5. Refraction of light in solids by ultrasonic waves

   • K. S. Iyengar

   OriginalPaper Pages: 25 - 29

6. Evidence for the charged θ-meson

   • M. V. K. Appa Rao
   • S. Mitra

   OriginalPaper Pages: 30 - 35