On the chromatic diffusion halo and other optical effects exhibited by pearls C. V. RamanD. Krishnamurti OriginalPaper Pages: 265 - 271
On an absolute constant in the theory of tauberian series (II) C. T. Rajagopal OriginalPaper Pages: 272 - 281
Behaviour of surface active substances at the dropping mercury electrode at different frequencies of the applied field S. L. Gupta OriginalPaper Pages: 282 - 289
The temperature variation of the rotatory power of quartz from 30° to 410° C. S. Chandrasekhar OriginalPaper Pages: 290 - 295
Synthetic experiments in the benzopyrone series V. K. AhluwaliaT. R. Seshadri OriginalPaper Pages: 296 - 300
Analysis and characterisation of the oil from the seeds ofThespesia Populnea M. R. Subbaram OriginalPaper Pages: 301 - 304
The step-wise adsorption of nitrogen on carbon black J. GarelickG. GoldfingerH. B. Kirkpatrick OriginalPaper Pages: 305 - 315