Smithsonian Contributions to Knowledge, Volumen12Smithsonian Institution, 1860 - 25 páginas |
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Página 34
... inches . REDUCTION . Chronometer time of observation O 1 Chronometer error Mean time of observation Apparent time of observation P. Apparent altitude A 4h 10m 498.5 -3 21 45.6 4h 22m 458.6 -3 21 45.6 0 49 03.9 1 01 00.0 0 45 46.6 • 0 57 ...
... inches . REDUCTION . Chronometer time of observation O 1 Chronometer error Mean time of observation Apparent time of observation P. Apparent altitude A 4h 10m 498.5 -3 21 45.6 4h 22m 458.6 -3 21 45.6 0 49 03.9 1 01 00.0 0 45 46.6 • 0 57 ...
Página 35
... inches . O's apparent altitude A Chronometer time REDUCTION . 45 ° 32 ′ 49 ′′ 45 31 56 5h 21m 478.7 3 21 45.6 -- -- 44 ° 40 ' 14 ' ' 44 39 20 5h 33m 26 $ .5 3 21 45.6 45.6 Assumed . Meridional arc Meridional arc + latitude · 2 00 02.1 1 ...
... inches . O's apparent altitude A Chronometer time REDUCTION . 45 ° 32 ′ 49 ′′ 45 31 56 5h 21m 478.7 3 21 45.6 -- -- 44 ° 40 ' 14 ' ' 44 39 20 5h 33m 26 $ .5 3 21 45.6 45.6 Assumed . Meridional arc Meridional arc + latitude · 2 00 02.1 1 ...
Página 36
... inches . O's apparent altitude Chronometer time REDUCTION . 38 ° 24 ' 41 ' ' 38 ° 25 ' 10 " 4h 00m 06.0 0 17 51 0 11 55 3h 33m 52.0 Mean time of observation Apparent time 23 51 37 23 45 41 kc Ꮳ • • A + x O's declination 404.2 145.9 ...
... inches . O's apparent altitude Chronometer time REDUCTION . 38 ° 24 ' 41 ' ' 38 ° 25 ' 10 " 4h 00m 06.0 0 17 51 0 11 55 3h 33m 52.0 Mean time of observation Apparent time 23 51 37 23 45 41 kc Ꮳ • • A + x O's declination 404.2 145.9 ...
Página 41
... inches . Barometer 29.98 inches . The sun seen occasionally through clouds , observed without shade - glass . REDUCTION . Ollo O E. W. 4h 16m 56s 199 ° 07 ' 00 " 4 35 11 71 52 03 1001 O 4 26 04 71 22 32 Approximate altitude 18 37 28 ...
... inches . Barometer 29.98 inches . The sun seen occasionally through clouds , observed without shade - glass . REDUCTION . Ollo O E. W. 4h 16m 56s 199 ° 07 ' 00 " 4 35 11 71 52 03 1001 O 4 26 04 71 22 32 Approximate altitude 18 37 28 ...
Página 5
... inches . 66 66 Capt . Dobbin 1790 Erie 1796 W'rn Reserve 1797 Buffalo 1798 Cleveland Alonzo Carter 1800 Detroit 1801 ... inches in spring over 1810 , by measurement , and a fall of three inches . Rise of two feet two inches in spring ...
... inches . 66 66 Capt . Dobbin 1790 Erie 1796 W'rn Reserve 1797 Buffalo 1798 Cleveland Alonzo Carter 1800 Detroit 1801 ... inches in spring over 1810 , by measurement , and a fall of three inches . Rise of two feet two inches in spring ...
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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.