1. Absorption spectra of tetra-alkyl ammonium salts

   • Sh. Nawazish Ali
   • R. Samuel

   OriginalPaper Pages: 399 - 419

2. Magnetic susceptibilities of some organic compounds in different physical states

   • K. C. Subramaniam

   OriginalPaper Pages: 420 - 427

3. Magnetic studies of sulphur and some sulphur compounds

   • P. S. Varadachari
   • K. C. Subramaniam

   OriginalPaper Pages: 428 - 434

4. Vortex motion in rectangular cylinders

   • B. R. Seth

   OriginalPaper Pages: 435 - 441

5. Diffraction of light by ultrasonic waves

   • S. Parthasarathy

   OriginalPaper Pages: 442 - 447

6. Neutrinos and light quanta

   • N. S. Nagendra Nath

   OriginalPaper Pages: 448 - 458

7. The diffraction of light by high frequency sound waves: Part V

   • C. V. Raman
   • N. S. Nagendra Nath

   OriginalPaper Pages: 459 - 465

8. Electronic configuration and bond energy

   • R. K. Asundi
   • R. Samuel

   OriginalPaper Pages: 466 - 481

9. Ultrasonic velocities in organic liquids

   • S. Parthasarathy

   OriginalPaper Pages: 482 - 486

10. On the absorption spectra and linkage of inorganic nitrates and sulphates in the vapour state

    • Mohd Israrul Haq
    • R. Samuel

    OriginalPaper Pages: 487 - 511