326
New Hygrometric Tables for to use with rotating and damp bulb thermometers, co.
pery
wing
By William Dobcrct.
RECO
10724
REG 2 MAR 18
1143 observations
the gears 1912 to 1914 wers mads at my private obserwatory at Sulton Surin for determining a new Hygrometer Constant with mus riews of making the observations of
rumidity, mack under my direction at Hong Kong second to none in the world, and I aliqws that this office will have basm accom - pliched when my new tables "described below prebrinted. The dry and was bulb this mom. Hers (each copies of the instruments introduced by me at the Hong Kong Obserwatory many years go) were rotated in me opm air. Air was aspi- stade from ms place where the then cometers were brated into a hut and the dewpoint determined, hers by Crova's hygrometer. Vigny years ago rind to do such work at Stong kong but failed to observations as this hygrometer bnot fuitable for use within the tropics.
4
ксима
any
The final valus of the hygrometer constant I which I haws arrived "is 0.3623 ±0.0020. The tables are therefore to ta calculated from the ollowing formula:
0.3626 (E_E1) x=fL 1130 - El
There I and El are the temperatures of the dry And was bulls thermometers respectively in
egrees Fahrenheid & the height of the barometer duced to 32° Fahrenheit in British inches, of the ressurs of water vapour in the atmosphers' in
Page 330Page 331
No comments yet.
Private notes are available after approval.