Smithsonian Contributions to Knowledge, Volumen12Smithsonian Institution, 1860 - 25 páginas |
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Página 9
... minutes ; between October 5 and October 10 , 1853 , it ran down ; October 29 , it was carried about for nine hours ; again , November 4 , it was carried on a journey for three days ; on the 22d of November it ran down , and on December ...
... minutes ; between October 5 and October 10 , 1853 , it ran down ; October 29 , it was carried about for nine hours ; again , November 4 , it was carried on a journey for three days ; on the 22d of November it ran down , and on December ...
Página 10
... minutes Greenwich mean time . The transit instrument was supplied with five wires , and the observations are recorded , from I to V , in the order in which the star ( or moon ) passes them at the upper culmination , the circle being ...
... minutes Greenwich mean time . The transit instrument was supplied with five wires , and the observations are recorded , from I to V , in the order in which the star ( or moon ) passes them at the upper culmination , the circle being ...
Página 14
... minute + 0.164 approximately . - – The observations of Polaris , upper culmination reflected , of Dec. 13 , 1853 , circle east and circle west , give the collimation error c = 1. $ 40 ( for upper culmination and ) circle east , the ...
... minute + 0.164 approximately . - – The observations of Polaris , upper culmination reflected , of Dec. 13 , 1853 , circle east and circle west , give the collimation error c = 1. $ 40 ( for upper culmination and ) circle east , the ...
Página 47
... minutes before and ending twenty minutes after the culminations . An equal number of readings of both limbs were taken with the instrument in the direct and reversed position . A screen of pasteboard protected the instrument from the ...
... minutes before and ending twenty minutes after the culminations . An equal number of readings of both limbs were taken with the instrument in the direct and reversed position . A screen of pasteboard protected the instrument from the ...
Página 48
... minutes ( ? ) in the direct and reversed position , and consequently had to be rejected . " The sextants used were made by Gambey , and divided to ten seconds . They were provided with an astronomical telescope , which has invariably ...
... minutes ( ? ) in the direct and reversed position , and consequently had to be rejected . " The sextants used were made by Gambey , and divided to ten seconds . They were provided with an astronomical telescope , which has invariably ...
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Términos y frases comunes
24 hours afternoon BAROMETER Began to rain Began to snow blustering Chronometer Clear 11 Clear Clear Clear Clear Clear Cloudy Clear Clear Variable Clear N. W. Clear Cloudy Cloudy Cloudy Cloudy Rain Cloudy Variable cold cool Crotalus E'ly 1 E'ly Extreme range Fair Fall of temperature fang Foggy Greatest Rise Light rain Light shower Mean of month mist Misty Rain Moderate rain morning N. E. Cloudy N. W.
N. W.
N. W. Clear Clear N. W. Clear Clear N. W. Variable N'ly noon P. M.
P. M. mean P. M. Sun poison Prevailing winds RAIN AND SNOW rain at night Rain Rain REDUCED TO 32 REDUCED TO SEA Rise and Fall Rise Fall S'ly S❜ly SEA LEVEL Smoky SNOW IN INCHES Sprinkling of rain temperature in 24 THERMOMETER thunder Variable Clear Clear venom W'ly 2 W'ly W'ly Clear Clear W'ly Cloudy W'ly Variable W❜ly Clear W❜ly W❜ly WEATHER wind light wind N. E.