1. Close equatorial satellites of the moon

   • K. S. Viswanathan
   • N. Rajappa

   OriginalPaper Pages: 201 - 217

2. Partial polarisation, partial coherence and their spectral description for polychromatic light—Part I

   • S. Pancharatnam

   OriginalPaper Pages: 218 - 230

3. Partial polarisation, partial coherence and their spectral description for polychromatic light—Part II

   • S. Pancharatnam

   OriginalPaper Pages: 231 - 243

4. Cryoscopic effect and the composition of earth

   • K. S. Rangappa

   OriginalPaper Pages: 244 - 249

5. A note on global dimension

   • N. S. Gopala Krishnan

   OriginalPaper Pages: 250 - 253

6. A set of minimum number of postulates for a Boolean Algebra

   • E. Sampathkumar

   OriginalPaper Pages: 254 - 258

7. Spectrophotometric determination of zirconium and other colour reactions by galangin

   • Mohan Katyal
   • R. P. Singh

   OriginalPaper Pages: 259 - 265

8. Investigation of secondary flow instability on an infinite yawed cylinder with 15 per cent. Thick joukowski profile as section

   • Rajeshwar Prasad Singh
   • K. D. P. Sinha

   OriginalPaper Pages: 266 - 274