﻿242 
  

  

  COLLECTION 
  OF 
  OBSERVATIONS 
  ON 
  THE 
  

  

  Again, 
  

  

  h. 
  m. 
  

  

  sec. 
  

  

  8 
  43 
  

  

  03.5 
  

  

  44 
  

  

  02 
  

  

  45 
  

  

  00 
  

  

  Reversed 
  

  

  

  48 
  

  

  11 
  

  

  Lost 
  

  

  

  50 
  

  

  10 
  

  

  A, 
  B, 
  C 
  and 
  D 
  same 
  as 
  preceding. 
  

  

  A 
  

  

  289° 
  37' 
  30" 
  

  

  

  B 
  

  

  05 
  

  

  Barom. 
  30.3 
  

  

  C 
  

  

  00 
  

  

  Therm. 
  48° 
  

  

  D 
  

  

  10 
  

  

  

  After 
  measuring 
  the 
  foregoing 
  altitudes 
  of 
  the 
  sun, 
  the 
  level 
  was 
  

   clamped, 
  and 
  the 
  following 
  observations 
  for 
  equal 
  altitudes 
  made. 
  

  

  h. 
  

  

  m. 
  

  

  sec. 
  

  

  h. 
  m. 
  sec. 
  

  

  8 
  

  

  57 
  

  

  54 
  A.M. 
  — 
  

  

  Barom. 
  30.29 
  2 
  27 
  42.4 
  P.M. 
  ^ 
  Barom. 
  30.32 
  

  

  

  58 
  

  

  57 
  A.M. 
  -v 
  

  

  Therm. 
  48° 
  26 
  40 
  P.M. 
  — 
  Therm. 
  50° 
  

  

  

  59 
  

  

  59 
  A.M. 
  — 
  

  

  25 
  38 
  

  

  9 
  

  

  02 
  

  

  07 
  A.M. 
  — 
  } 
  

  

  

  

  03 
  

  

  11 
  A.M. 
  ^i 
  

  

  - 
  The 
  lower 
  limb 
  of 
  the 
  sun 
  was 
  obscured 
  by 
  the 
  moon 
  P.I\J 
  

  

  

  04 
  

  

  14 
  A.M. 
  ^3 
  

  

  

  Time 
  

  

  i 
  by 
  chron. 
  

  

  Alt. 
  of 
  sun 
  with 
  18 
  inch 
  repeating 
  circle. 
  

  

  h. 
  

  

  m. 
  

  

  sec. 
  

  

  

  3 
  

  

  35 
  

  

  06 
  P.M. 
  — 
  < 
  

  

  A 
  289° 
  37' 
  10" 
  

  

  

  35 
  

  

  56 
  P.M. 
  — 
  

  

  B 
  36 
  30 
  Barom. 
  30.34 
  

  

  Reve 
  

  

  36 
  

   rsed 
  

  

  46 
  P.M. 
  ^ 
  

  

  C 
  36 
  35 
  Therm. 
  48° 
  

   D 
  36 
  50 
  

  

  

  38 
  

  

  10 
  P.M. 
  — 
  

  

  A 
  90 
  26 
  55 
  

  

  

  39 
  

  

  01.2 
  P.M. 
  ~ 
  

  

  B 
  27 
  10 
  

  

  

  39 
  

  

  50 
  P.M..-V 
  

  

  C 
  27 
  25 
  

  

  Again, 
  

  

  h. 
  

  

  m. 
  

  

  sec. 
  

  

  

  

  

  3 
  

  

  47 
  

   48 
  

   49 
  

  

  48 
  P.M. 
  ~ 
  

   3S 
  P.M. 
  ~ 
  

   26 
  P.M. 
  w 
  

  

  A, 
  

  

  B, 
  C 
  and 
  D 
  as 
  before. 
  

  

  

  sve 
  

  

  rsed 
  

   50 
  

  

  56 
  P.M. 
  — 
  

  

  A 
  

  

  255° 
  23' 
  57" 
  

  

  Barom. 
  30.34 
  

  

  

  51 
  

  

  45.2 
  P.M. 
  ~ 
  

  

  B 
  

  

  24 
  00 
  

  

  Therm. 
  48° 
  

  

  

  52 
  

  

  34 
  P.M. 
  — 
  

  

  C 
  

   D 
  

  

  23 
  45 
  

   23 
  40 
  

  

  

  