Our footprints on the sands of time Partha P. MajumderD. Balasubramanian General Article Pages: 32 - 50
Transhorizon radiowave propagation due to evaporation ducting S. D. GunashekarD. R. SiddleE. M. Warrington General Article Pages: 51 - 62
Essay on a manner of determining the relative masses of the elementary molecules of bodies, and the proportions in which they enter into these compounds G. NagendrappaAmedeo Avogadro Departments Pages: 90 - 95