1. An optical method of determining the relative coagulating powers of electrolytes

   • Ch. V. Jogarao

   OriginalPaper Pages: 193 - 199

2. The Raman spectra of crystal powders

   • R. Ananthakrishnan

   OriginalPaper Pages: 200 - 221

3. A new solution of a problem in inverse probability

   • S. R. Savur

   OriginalPaper Pages: 222 - 234

4. Some remarks on the birge-sponer method of vibrational extrapolation

   • R. K. Asundi
   • R. Samuel

   OriginalPaper Pages: 235 - 243

5. Note on the structure of N ₂ ⁺ and its bearing on the theory of valency

   • R. K. Asundi
   • R. Samuel

   OriginalPaper Pages: 244 - 248

6. Geometrical inversion in the acids derived from the coumarins

   • S. Rangaswami
   • T. R. Seshadri

   OriginalPaper Pages: 249 - 256

7. Gravity, geoid and plumb-line deflections in mountainous areas

   • B. L. Gulatee

   OriginalPaper Pages: 257 - 268

8. On Γ(k) in waring’s problem and an analogous function

   • Inder Chowla

   OriginalPaper Pages: 269 - 276

9. Heterocyclic compounds—Part I

   • S. Zafaruddin Ahmad
   • R. D. Desai

   OriginalPaper Pages: 277 - 284

10. The Raman spectra of some simple molecules

    • R. Ananthakrishnan

    OriginalPaper Pages: 285 - 300

11. Microphone actuated thyratron relay

    • C. V. Rajam

    OriginalPaper Pages: 301 - 304