﻿F. 
  W. 
  Very 
  — 
  Solar 
  Radiation. 
  

  

  621 
  

  

  f 
  = 
  sun's 
  zenith 
  distance. 
  JSTo 
  barometric 
  pressures 
  are 
  pub- 
  

   lished. 
  Consequently, 
  I 
  assume 
  that 
  the 
  air 
  pressure 
  was 
  

   normal 
  and 
  take 
  air 
  masses, 
  e 
  == 
  sec. 
  f. 
  Radiation 
  is 
  denoted 
  

   by 
  R, 
  and 
  the 
  factor 
  F 
  is 
  read 
  by 
  inspection 
  from 
  the 
  chart 
  

   with 
  e 
  and 
  Aq 
  as 
  arguments, 
  giving 
  as 
  many 
  estimates 
  of 
  the 
  

   solar 
  constant, 
  A 
  = 
  FR, 
  as 
  there 
  are 
  readings. 
  

  

  

  Sec. 
  £ 
  

  

  E. 
  

  

  F. 
  

  

  A. 
  

  

  August 
  24, 
  1903 
  

  

  1-148 
  

  

  1-092 
  

  

  2-90 
  

  

  3-167 
  

  

  Aq=14'66 
  mm 
  . 
  

  

  1-188 
  

  

  1-107 
  

  

  2-94 
  

  

  3-255 
  

  

  

  1-242 
  

  

  1-074 
  

  

  2-98 
  

  

  3-201 
  

  

  

  1-466 
  

  

  1-013 
  

  

  3-15 
  

  

  3-191 
  

  

  

  (4 
  obs.) 
  

  

  

  Mean=3-204 
  

  

  

  Reduced 
  

  

  to 
  sun's 
  mean 
  distance 
  

  

  3-255 
  

  

  December 
  23, 
  1903 
  

  

  2-158 
  

  

  1-160 
  

  

  2-47 
  

  

  2-865 
  

  

  Aq. 
  = 
  3'30 
  mm 
  . 
  

  

  2-150 
  

  

  1-121 
  

  

  2-47 
  

  

  2-769 
  

  

  

  2-150 
  

  

  1-060 
  

  

  2-47 
  

  

  2-618 
  

  

  

  2-248 
  

  

  1-155 
  

  

  2-51 
  

  

  2-899 
  

  

  

  2-266 
  

  

  1-175 
  

  

  2-52 
  

  

  2-961 
  

  

  

  2-360 
  

  

  1-151 
  

  

  2-57 
  

  

  2-958 
  

  

  

  2*390 
  

  

  1-103 
  

  

  2-59 
  

  

  2-857 
  

  

  

  2-520 
  

  

  1-096 
  

  

  2-66 
  

  

  2-915 
  

  

  

  2-552 
  

  

  1-099 
  

  

  2-69 
  

  

  2-956 
  

  

  

  2-979 
  

  

  1-017 
  

  

  2-86 
  

  

  2-909 
  

  

  

  3-113 
  

  

  1-008 
  

  

  2-93 
  

  

  2-953 
  

  

  

  (11 
  obs.) 
  

  

  

  Meai 
  

  

  1 
  = 
  2-878 
  

  

  

  Reduced 
  

  

  to 
  sun's 
  mes 
  

  

  m 
  distance 
  

  

  2-770 
  

  

  May 
  28, 
  1904 
  

  

  1-100 
  

  

  1-351 
  

  

  2-15 
  

  

  2-905 
  

  

  Aq.=6-50 
  mm 
  . 
  

  

  1-107 
  

  

  1-347 
  

  

  2-16 
  

  

  2-910 
  

  

  

  1-142 
  

  

  1-287 
  

  

  2-18 
  

  

  2-806 
  

  

  

  1-150 
  

  

  1-295 
  

  

  2-18 
  

  

  2-823 
  

  

  

  1-200 
  

  

  1-311 
  

  

  2-22 
  

  

  2-910 
  

  

  

  T212 
  

  

  1-299 
  

  

  2-23 
  

  

  2-897 
  

  

  

  1-282 
  

  

  1-216 
  

  

  2-27 
  

  

  2-760 
  

  

  

  1-297 
  

  

  1-135 
  

  

  2-29 
  

  

  2-599 
  

  

  

  1-390 
  

  

  1-225 
  

  

  2-35 
  

  

  2-879 
  

  

  

  1-410 
  

  

  1-220 
  

  

  2-36 
  

  

  2-879 
  

  

  

  1-572 
  

  

  1-180 
  

  

  2-46 
  

  

  2-903 
  

  

  

  1-600 
  

  

  1-175 
  

  

  2-48 
  

  

  2-914 
  

  

  

  1-843 
  

  

  1-078 
  

  

  2-64 
  

  

  2-846 
  

  

  

  1-888 
  

  

  1-103 
  

  

  2-66 
  

  

  2-934 
  

  

  

  (14 
  obs.) 
  

  

  

  Meai 
  

  

  [1 
  = 
  2-855 
  

  

  

  Reduced 
  to 
  

  

  sun's 
  mean 
  

  

  distance 
  

  

  2-920 
  

  

  