BulletinU.S. Government Printing Office, 1899 |
Iz vsebine knjige
Zadetki 1–5 od 13
Stran 7
... slight increase of weight ) increases the lifting efficiency of the kite . The length , fore and aft , was increased to 6 feet 8 inches , in later forms . 7 The flying line is attached to the front edge of The kite The meteorograph.
... slight increase of weight ) increases the lifting efficiency of the kite . The length , fore and aft , was increased to 6 feet 8 inches , in later forms . 7 The flying line is attached to the front edge of The kite The meteorograph.
Stran 9
... slight alterations in the radial distance of the wire at the point it leaves the drum , according as more or less of the wire is unwound . Dynamometer . The tension upon the line at the reel at any time is determined by means of the ...
... slight alterations in the radial distance of the wire at the point it leaves the drum , according as more or less of the wire is unwound . Dynamometer . The tension upon the line at the reel at any time is determined by means of the ...
Stran 21
... slight , but nevertheless with a decreasing tendency . The results obtained at altitudes above 4,000 feet are remarkably uniform , considering the paucity of observations and the wide divergence in the weather conditions . But 20 ...
... slight , but nevertheless with a decreasing tendency . The results obtained at altitudes above 4,000 feet are remarkably uniform , considering the paucity of observations and the wide divergence in the weather conditions . But 20 ...
Stran 29
... slight , except in one instance when it amounted to 90 ° . But one case of deflection toward the left was noticed . It was quite well marked , gradually increasing with increase of altitude from 250 to 60 ° , and was followed within an ...
... slight , except in one instance when it amounted to 90 ° . But one case of deflection toward the left was noticed . It was quite well marked , gradually increasing with increase of altitude from 250 to 60 ° , and was followed within an ...
Stran 31
... slight retardation in the rate of temperature fall was noticed . Neither wind direction nor velocity appeared to have any bearing upon the results . WINDS . Wind directions conformed to the usual rule with but one or two exceptions . On ...
... slight retardation in the rate of temperature fall was noticed . Neither wind direction nor velocity appeared to have any bearing upon the results . WINDS . Wind directions conformed to the usual rule with but one or two exceptions . On ...
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Afternoon Mean Morning amounting appeared ascensions average cent Central CLEAR Cleveland Cloud effects clouds cloudy weather COMBINED considered corresponding Date decrease deflection difference DIMINUTION OF VAPOR Dodge City Dubuque Duluth effect elevation equal exactly extreme fall feet elevation FEET OF ALTITUDE followed frequently given Gradi Gradient greater greatest difference height higher HUMIDITY AND VAPOR inches increase of altitude indicated instances inversion July June Kans kite latter least length less marked meteorograph Morning Afternoon Mean morning gradient nearly Nebr North Platte noted noticed observations obtained occurred October Ohio Omaha percentage practically PRESSURE WITH ALTITUDE rain Rate reached record reel relative humidity remaining RESPECTIVE 1,000 FEET rise rose Sept shown slight Springfield stations SUMMARY surface taken temperature Tenn thereafter thousand feet turns usual VALUE VAPOR PRESSURE Washington West Wind directions wire