Examination of molecularly scattered light with a Fabry-Perot etalon B. V. Raghavendra Rao OriginalPaper Pages: 261 - 268
The transparency of the atmosphere in the ultra-violet and a possible means of extending the solar spectrum in the regions 2200–2000 Å K. R. RamanathanL. A. Ramdas OriginalPaper Pages: 308 - 314
Hyperfine structure of the arc lines of molybdenum and copper L. Sibaiya OriginalPaper Pages: 321 - 324
A hydrodynamical investigation of the sub-soil flow from canal beds by means of models V. I. VaidhianathanHans Raj LuthraN. K. Bose OriginalPaper Pages: 325 - 332