
TechnologyDecember 1, 1951
Weather Instruments
The variable temperature, pressure, moisture and movement of the atmosphere are sensed by devices that have evolved from the rain gauge and the wind vane to rockets and radar

Weather Instruments
The variable temperature, pressure, moisture and movement of the atmosphere are sensed by devices that have evolved from the rain gauge and the wind vane to rockets and radar

The Upper Atmosphere
Above the thin layer of dense air in which we live is a great mantle of dispersed atoms and molecules swept by the ceaseless bombardments of outer space