BulletinU.S. Government Printing Office, 1899 |
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Zadetki 1–5 od 9
Stran 8
... diameter . The normal tensile strength of this wire was about 200 pounds . Length of wire . As the original supply of wire was wound upon each reel , record was kept of the total number of turns and a table computed , 8.
... diameter . The normal tensile strength of this wire was about 200 pounds . Length of wire . As the original supply of wire was wound upon each reel , record was kept of the total number of turns and a table computed , 8.
Stran 9
... record wind velocity , temperature , pressure , and humidity of the air . Records of the velocity of the wind were , however , made experimentally only at Washington , and were not included in the official observations . Special ...
... record wind velocity , temperature , pressure , and humidity of the air . Records of the velocity of the wind were , however , made experimentally only at Washington , and were not included in the official observations . Special ...
Stran 10
... records characterized by that high degree of precision required in meteorological work . The pressure scale on the record sheet embraces a range of 9 inches , viz , 21 to 30 inches air pressure . The subdivisions of the sheet are 22 ...
... records characterized by that high degree of precision required in meteorological work . The pressure scale on the record sheet embraces a range of 9 inches , viz , 21 to 30 inches air pressure . The subdivisions of the sheet are 22 ...
Stran 17
... records of 1,123 kite ascensions were used . There were 4 balloon ascensions by Hammon and 2 by Hazen . It is not known how many were made by Hann , nor how many mountain observations were taken by him . 6.0 6.1 5.4 5.6 DIMINUTION OF ...
... records of 1,123 kite ascensions were used . There were 4 balloon ascensions by Hammon and 2 by Hazen . It is not known how many were made by Hann , nor how many mountain observations were taken by him . 6.0 6.1 5.4 5.6 DIMINUTION OF ...
Stran 21
... having been but 1.10 , or at the rate of 0.60 per thousand feet . An examination of the temperature record for October 8 disclosed some peculiar cloud effects . The flight took place in the morning , the sky being practically obscured 21.
... having been but 1.10 , or at the rate of 0.60 per thousand feet . An examination of the temperature record for October 8 disclosed some peculiar cloud effects . The flight took place in the morning , the sky being practically obscured 21.
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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