Word: upwards
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Conservative Curtiss engineers would make no predictions, pending exhaustive flight tests but they believe it possible to fly the helicopter off a hangar floor at two feet of altitude, out through the door, then upward at 1,000 ft. per min., in any direction at 70 m. p. h.; also, to hover over one spot while the fuel lasts, descend with or without power no faster than the largest type parachute...
...product of thunderstorms only. Thunderstorms are tornadoes with horizontal instead of vertical axes. Hail is caused by the up currents of the storm carrying moisture particles to an altitude where they will freeze. As they drop back toward earth the fountainhead of the wind will carry them upward again, add more snow and ice to their structure. Their size is limited only by the power of the wind to carry them upward on successive trips...
Waterspouts and tornadoes are caused by a condition of unstable equilibrium in the atmosphere. A warm, damp air layer close to land or sea attempts to rise through a layer of cool, dry air. The warm air literally breaks a hole in the cooler air, rushes upward. Passing through the hole it assumes a whirling motion. The centrifugal force of the column develops a partial vacuum on the inside...
Reprisals. The threat of foreign tariff reprisals alarmed big exporting industrialists as much as the prospective disruption of the world trade cycle. Thirty nations have filed 161 specific protests against items in the Hawley-Smoot bill. Canada, best U. S. customer, has made a provisional upward revision of its tariff which would adversely affect 25% of the goods imported by the U. S. and give British imports a much higher preference rating. Cuba was moving in the same direction...
...This book," declares the author in the first paragraph, "is a deliberately restricted and selective treatment of an inexhaustible subject." It is addressed to the aggressive feminist who in the upward swing of woman's reaction from the past attempts to find a place in man's field of activities to the detriment...