โ Scribed by Paul W. Merrill
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
A DESCRIPTION is given of a portable vacuunl thermopile, of glass, in which a calcium evacuator is permanently attached to the container. The paper gives general directions for operating the device, as well as data on the thermopile, which is of bismuth-silver. Observations extending over a period
THE arc spectra of neodymium and samarium were photographed with a large concave grating spectrograph, the photographic plates being suitably sensitized to record the spectra from the green to the infra-red. About 1500 lines were measured in each spectrum, most of them being of low intensity. No b
Solid-liquid equilibria for two binary (krypton-nitrogen and xenonnitrogen) and one ternary (krypton-xenon-nitrogen) systems were investigated in a low temperature equilibrium apparatus at 70 < T < 160 IC The experimental data are presented in tables and on diagrams. A complete T-x-phase diagram for