BulletinU.S. Government Printing Office, 1899 |
Iz vsebine knjige
Zadetki 1–5 od 23
Stran 7
... surfaces , as compared with two in the rear cell ; that is to say , this increase of surface ( at slight increase of weight ) increases the lifting efficiency of the kite . The length , fore and aft , was increased to 6 feet 8 inches ...
... surfaces , as compared with two in the rear cell ; that is to say , this increase of surface ( at slight increase of weight ) increases the lifting efficiency of the kite . The length , fore and aft , was increased to 6 feet 8 inches ...
Stran 17
... surface of the earth differed but little except at 7,000 feet , where the surface humidity was 11 per cent less than that above . With this exception the greatest difference was 3 per cent , and , except at 2,000 and 8,000 feet , the ...
... surface of the earth differed but little except at 7,000 feet , where the surface humidity was 11 per cent less than that above . With this exception the greatest difference was 3 per cent , and , except at 2,000 and 8,000 feet , the ...
Stran 21
... surface wind was from the west and its velocity 3 miles per hour . A very similar case occurred on June 25 , when at 5.40 a . m . , one hour and three minutes after sunrise , the temperature at 1,966 feet was 9 ° higher than at the surface ...
... surface wind was from the west and its velocity 3 miles per hour . A very similar case occurred on June 25 , when at 5.40 a . m . , one hour and three minutes after sunrise , the temperature at 1,966 feet was 9 ° higher than at the surface ...
Stran 22
... surface velocity was about 5 miles per hour or less , and that above correspondingly small as evidenced by the pull on the kite wire . No deductions regarding the diurnal range of temperature in the upper air were made , owing to the ...
... surface velocity was about 5 miles per hour or less , and that above correspondingly small as evidenced by the pull on the kite wire . No deductions regarding the diurnal range of temperature in the upper air were made , owing to the ...
Stran 26
... surface 8 per cent . Except at 5,000 feet the difference between the surface and upper - air humidities did not exceed 1 per cent . Cloud effects were quite noticeable both while the kite was enveloped in clouds and while rain ...
... surface 8 per cent . Except at 5,000 feet the difference between the surface and upper - air humidities did not exceed 1 per cent . Cloud effects were quite noticeable both while the kite was enveloped in clouds and while rain ...
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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