Annual Report of the Secretary of War, Volume 4U.S. Government Printing Office, 1887 |
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Página 55
... expression ( 7-1 ) 36 . ( ts - t ) , and is subtractive . ( b ) Correction for temperature of glass stem in ... expressed in scale degrees , by which the reading is too high . Therefore the correction is given by the expression ...
... expression ( 7-1 ) 36 . ( ts - t ) , and is subtractive . ( b ) Correction for temperature of glass stem in ... expressed in scale degrees , by which the reading is too high . Therefore the correction is given by the expression ...
Página 255
... expressed as a barometric pressure we have p2 - Pag . The result of this elimination and substitution shows that the ... expression for the velocity must be developed from the principles of the adiabatic flow of gases , from which for ...
... expressed as a barometric pressure we have p2 - Pag . The result of this elimination and substitution shows that the ... expression for the velocity must be developed from the principles of the adiabatic flow of gases , from which for ...
Página 297
... expressed by the form J ( 4 ) R ; for r in formula ( I ) we have , therefore , R ~ [ 1 + J ( 4 ) ] Ꭱ Developing in sines of multiple arcs the term drops out and leaves R2 2.21 r neglecting higher powers . for the first approximation a ...
... expressed by the form J ( 4 ) R ; for r in formula ( I ) we have , therefore , R ~ [ 1 + J ( 4 ) ] Ꭱ Developing in sines of multiple arcs the term drops out and leaves R2 2.21 r neglecting higher powers . for the first approximation a ...
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