Smithsonian Contributions to KnowledgeSmithsonian Institution, 1863 - 151 páginas |
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Página 1
... readings , in order to refer all observations to the same zero of the scale . There is another defect to which pulley - gauges are subject , namely , the gradual rise of the vessel , in consequence of the consumption of provisions and ...
... readings , in order to refer all observations to the same zero of the scale . There is another defect to which pulley - gauges are subject , namely , the gradual rise of the vessel , in consequence of the consumption of provisions and ...
Página 2
... readings are superseded by half - hourly readings on November 8 , and continue half hourly , day and night , to the end of the series . After November 28 , corrective soundings were taken at noon each day . In order to make use of these ...
... readings are superseded by half - hourly readings on November 8 , and continue half hourly , day and night , to the end of the series . After November 28 , corrective soundings were taken at noon each day . In order to make use of these ...
Página 3
... readings of the pulley - gauge continue to May 5th , after which date single half- hourly readings are recorded . The corrective soundings cease on the 12th of May . Interruptions occur between May 4th and May 7th , also on July 8th ...
... readings of the pulley - gauge continue to May 5th , after which date single half- hourly readings are recorded . The corrective soundings cease on the 12th of May . Interruptions occur between May 4th and May 7th , also on July 8th ...
Página 4
... readings of the pulley - gauge is in many cases a doubtful remedy , on account of the continued change in the zero ... reading of scale at noon 6.4 ; reading of pulley - gauge at that hour 19.0 , correction by curve -12.5 , corrected ...
... readings of the pulley - gauge is in many cases a doubtful remedy , on account of the continued change in the zero ... reading of scale at noon 6.4 ; reading of pulley - gauge at that hour 19.0 , correction by curve -12.5 , corrected ...
Página 7
... reading of mean level 7.0 , expressed in units of the scale . Increasing numbers indicate rise of water . October ... readings , but unless they occur near high or low water they are omitted in the above . SERIES I. TIDAL OBSERVATIONS ...
... reading of mean level 7.0 , expressed in units of the scale . Increasing numbers indicate rise of water . October ... readings , but unless they occur near high or low water they are omitted in the above . SERIES I. TIDAL OBSERVATIONS ...
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annual variation April May June aurora b c m Baffin Bay Bellot Straits bi-hourly bifilar bm z 66 BOARD THE YACHT Calm 1 N. E. Calm Calm Calm copper curves Dawn at 7h deflection diagram difference Dip reduced Dip when loaded disturbances diurnal variation Div's dovekies dusk at 4h epoch Fahr fathoms February March April feet Girard College horizontal force Hour angle hourly January February March July August Latitude lunar lunar effect Lunitidal interval magnetic declination maxima and minima maximum Mean Lat Midn't midnight minimum month monthly mean moon Moon's N. W. by N Needle Noon Philadelphia Port Kennedy readings Referred mean Relative total intensity Rensselaer Harbor scale divisions seen summer Temp temperature Toronto values W. N. W. Calm weight wind winter YACHT FOX ос