Category: Science - Earth/Agricultural/Farming
“The actuating force of every wind that blows; of every mighty current that streams through ocean depths; the motive cause of every particle of vapour in the air, of every mist and cloud and raindrop, is SOLAR RADIATION.”—_George Warington._
Dr. Robinson, of Armagh, introduced an instrument, in 1850, which consists of four hemispherical copper cups attached to the arms of a metal cross. The vertical axis upon which...
2. Part 2The extent to which heat thus escapes by radiation under varying conditions of sky is measured by a Self-registering Terrestrial Minimum Thermometer, the bulb of which is placed...
6. Part 6CONSTANT WINDS.—_The Trade Winds._—The violent contrast between the temperature of the equator and the poles is well known, and from the vast area included within the tropics as...
5. Part 5STRATUS.—As its name implies, this is a horizontal sheet of cloud formed near the earth at night (whence it has been called “the night cloud”) by the condensation of moist air f...
3. Part 3The accompanying illustration shows a form of barometer which, though not much used in this country, is deservedly popular on the Continent as a standard station barometer. It i...
4. Part 4The Committee wish it to be understood that they cannot undertake the verification of an inferior class of instruments (such as barometers mounted upon wooden frames, and thermo...
1. Part 1“The actuating force of every wind that blows; of every mighty current that streams through ocean depths; the motive cause of every particle of vapour in the air, of every mist...
8. Part 83. That the amount of ozone in the air at different times and places is variable, but this is at most 1/700,000 of its volume, or 1 volume of ozone in 700,000 of air.