v j smithsonian meteorological tables 



Table Page 



28. Avoirdupois pounds and ounces to kilograms 108 



29. Kilograms to avoirdupois pounds and ounces 108 



30. Grains to grams 109 



31. Grams to grains 109 



32. Miles per hour to knots, meters per second, feet per second, kilo- 



meters per hour, feet per minute 1 10 



33. Meters per second to miles per hour, feet per second, kilometers per 



hour, knots, feet per minute 112 



34. Kilometers per hour to knots, miles per hour, meters per second, 



feet per second 113 



35. Knots to miles per hour, meters per second, feet per second, kilo- 



meters per hour, feet per minute 115 



Section II. WIND AND DYNAMICAL TABLES 



36. Beaufort wind scale 119 



37. Geostrophic wind, constant pressure surface: 100 geopotential 



meter contours 120 



38. Geostrophic wind, constant pressure surface : 200 geopotential foot 



contours 122 



39. Geostrophic wind, constant level surface: Three millibar isobars, 



air density 1 kg. m.~ 3 , 124 



40. Gradient wind 126 



41. Coriolis parameter and latitudinal variation 130 



42. Inertial motion 130 



43. Rossby's long-wave formula 131 



Section III. BAROMETRIC AND HYPSOMETRIC TABLES 



44. Capillary correction for mercurial barometers 135 



45-46. Reduction of the mercury column to standard temperature (ex- 

 planation) 136 



45. Reduction of the mercury column to standard temperature, English 



units 139 



46. Reduction of the mercury column to standard temperature, metric 



units 164 



47. Corrections to reduce barometric readings to standard gravity 200 



48. Determination of height by the barometer and reduction of pressure 



to fixed levels 203 



Section IV. GEOPOTENTIAL AND AEROLOGICAL TABLES 



49-51. Relation between geopotential and geometric height (explana- 

 tion) 217 



