. Transactions of the Institution of Mining Engineers . Inequality {, departure from mean value for day). Ih. 2h. 3h. 4h. 5h. 6h. 7h. 8h. 9h. lOh. Uh. 12h. November, 1920October, 1921October, 1920 -20-13-16 -0-6-0-912 -0-9-06 14 -07-08-09 -0-8-10-10 -07-10-10 -0-6-14-15 -07-2-4-22 -0/-3-2-4-20 +l-2-07-02 +2-4+21+26 +3-3+ 43+4-9 13h. 14h. 15h. 16h. 17h. 18h. 19h. 20h. 21h. 22h. 23h. 24h. November, 1920October, 1921October. 1920 +3-7+5 0+5-7 +2-9+4 4+53 +2/-4+3 1+3-8 +18+19+20 +10+09+09 +01+ 03+04 -Il-0 7-06 -l-8-15-14 -21-21-23 -2-5-2-3-31 -21-18-3 0 -20-11-21 November, 27-2. * Large
. Transactions of the Institution of Mining Engineers . Inequality {, departure from mean value for day). Ih. 2h. 3h. 4h. 5h. 6h. 7h. 8h. 9h. lOh. Uh. 12h. November, 1920October, 1921October, 1920 -20-13-16 -0-6-0-912 -0-9-06 14 -07-08-09 -0-8-10-10 -07-10-10 -0-6-14-15 -07-2-4-22 -0/-3-2-4-20 +l-2-07-02 +2-4+21+26 +3-3+ 43+4-9 13h. 14h. 15h. 16h. 17h. 18h. 19h. 20h. 21h. 22h. 23h. 24h. November, 1920October, 1921October. 1920 +3-7+5 0+5-7 +2-9+4 4+53 +2/-4+3 1+3-8 +18+19+20 +10+09+09 +01+ 03+04 -Il-0 7-06 -l-8-15-14 -21-21-23 -2-5-2-3-31 -21-18-3 0 -20-11-21 November, 27-2. * Large disturbances during this interval. Mean Value for Month. October, 16-4. October, ° 28 1. Remarks. The day is counted from Oh. (midnight) to 24h. (midnight), 0 means a day wholly free from any but small disturbances. ,, 1 ,, ,, part or all of which is moderately or considerablydisturbed. ,, 2 ,, ,, part or all of which is highly above values were obtained from measurements made after smoothing
Size: 1211px × 2062px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
