Annual Report of the Secretary of War, Volume 4U.S. Government Printing Office, 1887 |
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Página 41
... Corrections for exterior and interior pressure on the bulb . ( 8 ) Correction for sluggishness . ( 9 ) Correction for capillarity . ( 10 ) Thermal and elastic reaction ; temporary zero point and re- sulting temperatures . 16. CORRECTION ...
... Corrections for exterior and interior pressure on the bulb . ( 8 ) Correction for sluggishness . ( 9 ) Correction for capillarity . ( 10 ) Thermal and elastic reaction ; temporary zero point and re- sulting temperatures . 16. CORRECTION ...
Página 55
... correction for which may be called B1 ; the lower portion of the stem , whose length is t - To , has an excess of temperature t1 - t , the correction for which is B2 . The total correction , B1 + B2 , is additive , and is given by the ...
... correction for which may be called B1 ; the lower portion of the stem , whose length is t - To , has an excess of temperature t1 - t , the correction for which is B2 . The total correction , B1 + B2 , is additive , and is given by the ...
Página 56
... correction shows the necessity for the steady progress that has been made toward the adoption of stem - graduated thermometers . B. - Correction for the temperature of the upper portion of glass stem . Correction ( τ − t ) } ß ( t2 ...
... correction shows the necessity for the steady progress that has been made toward the adoption of stem - graduated thermometers . B. - Correction for the temperature of the upper portion of glass stem . Correction ( τ − t ) } ß ( t2 ...
Índice
PREFACE | 5 |
INTRODUCTION | 7 |
General history and development of thermometers | 13 |
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accuracy adopted air thermometer altitude anemometer angle angular angular velocity apparatus apparent approximately atmospheric atmospheric pressure axis azimuth balance beam barograph barometer boiling boiling-point bulb capillary cistern cloud coefficient computed constant convection correction corresponding cups cylinder density determined dew-point diameter direction distance effect equation error eter expansion experiments Fahrenheit fluid formula friction given gives gravity heat horizontal hygrometer inches increase instrument latter length liquid lower manometer means measured meniscus mercurial column mercurial thermometers meteorological method Metric System millimeters mometer motion moving Negretti and Zambra nephoscope normal observations obtained ordinary perature plane plate quantity radiation radius ratio reading records reduced Regnault resistance rotation scale shows Signal Service square standard standard gravity stem surface temperature tension ther tion unit upper vapor vertical vessel viscosity volume weight whence whirling whirling-machine wind vane wind velocity zero