Two Trips to Gorilla Land and the Cataracts of the Congo, by Richard F. Burton

Appendix I.

Meteorlogical

Instruments used for altitudes:—

Pocket aneroid, corrected +0.55, “R.G.S”
Casella’s Alpine Sympiesometer, corrected to 67° (F.).

N.B. — Returning to Fernando Po, found that part of the liquid has lodged in upper bulb, and therefore corrected index error by standard aneroid 1.15 (Symp. = 29.258, and standard, 30.400).

Observations at the Congo mouth in February, 1863 (from log of H.M.S. “Griffon”).

    Thermometer    Barometer           Winds               Place
Engine     in sea.                 Force & Direction
Room.                              A.M.      P.M.

86°       76°       29.90     (1)  S.E. (1)  N.N.W.    Loanda.
92°       77°       29.92     (1)  S.W. (2)  W.N.W.    En route to Congo.
108°      76°       29.90     (1)  S.   (3)  S.S.W.    En route to Congo.
86°       78°       29.90     (2)  S.   (3)  W.        En route to Congo.
88°       78°       29.90     (2)  S.W. (2)  S.S.W.    En route to Congo.
94°       80°       29.90     (2)  S.E. (2)  S.W.      En route to Congo.
90°       83°       29.90     (2)  S.   (2-3)S.        Congo.
90°       80°       29.90     (0)  Calm (1)  W.        Congo.

(Signed)          F. F. Flynne,
                     Assistant-Surgeon in Charge.

Place and Date.     Time of Day.   Thermometer.   Symp.               Remarks.

9th September  6 a.m.          65°    28.00 cor. 29.12 Cold morning, light wind from N.N.E.,
   Banza nokki 9 a.m.          72°    27.70 cor. 28.82   threatened rain, 8 a.m.; noon misty,
on hills above Noon.           78°    27.90 cor. 29.02   day hazy; 3 p.m., sun hot, wind cooler
river          3 p.m.          80.5°  27.85 cor. 28.97   from west; evening, stiff sea-breeze,
               6 p.m.          72°    27.90 cor. 29.02   people complain of cold; night, heavy
                                                         dew.

10th Sept.     6 a.m.          67°    27.90 cor. 29.02 Misty morning, warm at 9 a.m., wind; noon,
   Same place, 9 a.m.          75°    27.75 cor. 28.87   hot sun, high sea-breeze; 3 p.m., hot
Nokki.         Noon.           83°    27.85 cor. 28.97   sun, cool west wind; cloudy evening;
               3 p.m.          85°    27.75 cor. 28.87   windy night, dew cold and heavy.
               6 p.m.          74°    27.85 cor. 28.97
          Altitude of Nokki above sea, 1,430 feet.

11th Sept.     9 a.m.          77°    27.70 cor. 28.82 Misty morning, warm but clouding over;
   Banza       Noon.           87°    27.55 cor. 28.67   at noon high sea-breeze, glare and hot
Chingufu       3 p.m.          83°    27.45 cor. 28.57   sun, when clouds break 97° in sun,
above Nokki;   6 p.m.          73°    27.50 cor. 28.62   2 p.m.; 3 p.m., high sea-breeze up
see also 18th                                            river; 6 p.m., cold sea-breeze, cloudy
and 19th Sept.                                           sky.
          Altitude of Chingufu, 1,703 feet.

          Chingufu

12th Sept.          6 a.m.     65°    27.70 cor. 28.82 Clear fine morning; high west wind
  First observation      Nekolo.                         at 6 a.m.; pocket aneroid 29.00
  Chingufu,         9 a.m.     76°    28.50 cor. 29.62 Shady verandah facing to west; at
others at Nekolo    Noon.      84°    28.35 cor. 29.47   noon aneroid 30.05; 3 p.m., hot
lower down & near   3 p.m.     85°    28.40 cor. 29.52   sun, westerly breeze, few clouds;
river.              6 p.m.     77°    28.30 cor. 29.42   6 p.m., very clear, east wind
                                                         strong; no dew at night.

                         Negolo Nkulu.
13th Sept.          6 a.m.     70°    28.45 cor. 29.57 Close cloudy morning; 9 a.m.,
  Negolo and near   9 a.m.     77°    28.50 cor. 29.62 alternately clear and cloudy,
  Congo River.      Noon.      90°    28.45 cor. 29.57 glare, no wind; noon bright and
                                                       sultry, no clouds; 3 p.m., in shady
                                                       cove 10 feet above river; rain at
                                                       5.30 p.m., lasted two hours;
                                                       dispersed by westerly breeze.
                         Cove near river.
                    3 p.m.     94°    29.10 cor. 30.22
                         Height of Negolo, 828 feet.

                         Left bank.
14th Sept           6 a.m.     74°    29.30 cor 30.50  Dull, warm, and cloudy.
                         Right bank.
Banza Vivi on       9 a.m.     84°    29.35 cor. 30.57 Aneroid 30.60, dull day.
  hills above right Noon.      80°    28.95 cor. 30.07 Anerodi 30.10 dull day, very little
  bank.             3 p.m.     84°    28.35 cor. 29.47   breeze, village shut in, clouds
                    6 p.m.     79°    28.85 cor. 29.97   from west

                         Banza Vivi.
15th Sept.          6 a.m.     74°    29.15 cor. 30.25 Thick drizzle from west, no wind.
                         At Banza Simbo, half way up Vivi range, aneroid 29.42.
Banza Nkulu         Noon       78°    28.10 cor. 29.22 Under tree facing north; puffs of
  above rapids.                                          west wind, threatened rain, none
                                                         came.
                    6 p.m.     75°    28.10 cor. 29.22 In veranda facing north-east; clear
                                                         night, heavy dew.

                         Banza Nkulu.
16th Sept.          6 a.m.     69°    28.20 cor. 29.32 Grass wet, heavy dew, rain
                                                         threatened, aneroid 29.50.
                         100 feet above rapids.
                    7.30 a.m.  73°    29.25 cor. 30.37 Aneroid 30.55.
Banza Nkulu again   Noon.      80°    28.10 cor. 29.22 Aneroid 29.55, dull, cloudy, rain
                                                         threatened.
                    3 p.m.     75°    28.00 cor. 29.12 Dull day, clearer towards evening,
                    6 p.m.     75°    28.00 cor. 29.12   very heavy dew.
                         Altitude of Nkulu, 1212 feet.
                         Altitude of Yellala Rapids, 390 feet.

                         Nkulu.
17th Sept.          5.30 a.m.  67°    28.15 cor. 29.27 Grey, cool; threatens sunny day.
                         Right bank of river.
                    9.20 a.m.  77°    29.30 cor. 30.42 Cool west wind.
                         In canoe on river below Little Rapids.
                    10.50 a.m. 81°    20.20 cor. 30.32 Aneroid 30.57(59)
                         Left bank 20 feet above water, under fig-tree facing north.
                    Noon.      81°    29.20 cor. 30.32 Aneroid 30.50.
  Negolo Town       3 p.m.     83°    28.30 cor. 29.42 Day hot, aneroid in verandah 30.50.
                         Banza Chingufu.
                    6 p.m.     71°    27.55 cor. 28.67 Clear evening, misty towards night,
                                                         young moon with halo.
                         Height of river below Vivi Fall, 195 feet.

18th Sept.          6 a.m.     65°    27.60 cor. 28.72 Cool, grey, no wind.
  At Chingufu as    9 a.m.     76°    27.65 cor. 28.77 Strong land wind, from east, no
  before.                                                sun, heavy clouds N.E.
                    Noon.      90°    27.50 cor. 28.62 High west wind, hot sun.
                    3.30 p.m.  88°    27.35 cor. 28.47 Clear at 1 p.m., thermometer 100°
                                                         little wind, sun hot.
                    6 p.m.     77°    27.45 cor. 28.57 Clear evening, no dew, misty moon,
                                                         high sea-breeze at night.

19th Sept.          6 a.m.     67°    27.70 cor. 28.82 Still grey morning, no wind.
  At Chingufu.      9.30 a.m.  76°    27.65 cor. 28.77 Lighter, wind from west.
                    Noon.      81°    27.60 cor. 28.72 Dull, light west wind.
                    3 p.m.     88°    27.45 cor. 28.57 Cloudy and sunny, west wind.
                    6 p.m.     72°    27.50 cor. 28.62 Clear, fine, little wind.
                         How do these agree with September 11?

                         Chingufu.
20th Sept.          6 a.m.     69°    27.70 cor. 28.82 Fine, clear, and still morning.
                         On river.
  Down river        9 a.m.     82°    29.35 cor. 30.47 Hot day, aneroid 30.55; at 10 a.m.
                                                         29.85.
                         Off Chacha village on river.
                    Noon.      87°    29.35 cor. 30.47 Sea-breeze, sun hot, but obscured
                                                         by smoke of bush fires.
                         On river.
                    3 p.m.     86°    29.20 cor. 30.32 Aneroid 30.40, stiff sea breeze.
                         Last observation taken about 5 miles above Boma.

21 Sept.            9 a.m.     76°    29.30 cor. 30.42 Cool, cloudy, pleasant.
  At Boma.          Noon.      81.5°  29.25 cor. 30.37 Dull, threatens rain.
                    3 p.m.     86°    29.25 cor. 30.37 Dull, muggy, cloudy.

22nd Sept.          6 a.m.     77°    29.10 cor. 30.22 Dull, cloudy, cool; instrument in
  Boma.                                                  verandah facing south-west.
                    9 a.m.     76°    20.30 cor. 30.42
                    Noon.      84°    29.30 cor. 30.42 Dull and warm.
                    3 p.m.     84°    29.10 cor. 30.22 Very dull, strong sea-breeze comes
                                                         up in afternoon, and lasts till
                                                         9 p.m.
                    6 p.m.     79°    29.20 cor. 30.32 Dull night.
                         Mean altitude of Boma (commonly called Embomma), 73 feet.

23rd Sept.          6 a.m.     70.5°  29.20 cor. 30.32 Dull morning
  Boma.             9 a.m.     81.75° 29.25 cor. 30.37 Clear and sunny.
                    3 p.m.     92°    29.10 cor. 30.22 Clear, hot, and sunny.
                    6 p.m.     79°    29.15 cor. 30.27 High wind, sun.

24th Sept.          6 a.m.     74°    29.20 cor. 30.32 Cool and clear.
  Boma.             9 a.m.     81°    29.30 cor. 30.42 Hot and clear.
                    12.30 p.m. 93.75° 29.10 cor. 30.22 Hot and clear.
                    3 p.m.     93.57° 29.05 cor. 30.17 Very strong sea-breeze till late at
                                                         night.
                    6 p.m.     79.5°  29.15 cor. 30.27 Very strong sea-breeze till late at
                                                         night.

25th Sept.          6 a.m.     74°   29.20 cor. 30.32  Dull, no sun, rain threatened.
                    Noon.      81°   29.20 cor. 30.32
                    3 p.m.     83°   29.19 cor. 30.31  Aneroid 30.15.
                    6 p.m.     78°   29.10 cor. 30.22  Dull, no sun, wind subsided at
                                                         night.

                         Porto da Senha at factory.
26th Sept.          6 a.m.     78°    29.25 cor. 30.37 Aneroid 30.62, day clear.
                    9 a.m.     76°    29.30 cor. 30.42 Aneroid 30.40, hot sun.
                         On passage in canoe down river.
                    Noon.      87°    29.20 cor. 30.32 Aneroid 30.45.
                    3 p.m.     95.5°  29.00 cor. 30.12 Aneroid 30.52.
                         Mean altitude of Porto da Lenha, 38 feet.

28th Sept.          6 a.m.     71.25° 29.15 cor. 30.27 Dry, cloudy morning.
  Banana factory,   9 a.m.     75°    29.20 cor. 30.32 Calm, land and sea breezes very
  mouth of river,                                        regular.
  60 feet above     Noon.      81°    29.10 cor. 30.22 At noon thermometer at seaside in
  sea level.                                             sun (overcast) 83.5°.
                    3 p.m.     75.5°  29.05 cor. 30.17
                    6 p.m.     74°    29.05 cor. 30.17 Symp. (corrected) 30.32°.

29th Sept.          6 a.m.     73°    29.20 cor. 30.32 Weather calm; at seaside in sun
  same place.       9 a.m.     80°    29.20 cor. 30.32   (overcast) thermometer 74.5°.
                    Noon.      83°    29.10 cor. 30.22
                    3 p.m.     80°    29.15 cor. 30.27 Symp. (corrected) 30.32°.
                    6 p.m.     74°    29.05 cor. 30.17 Night cold and windy.

30th Sept.          6 a.m.     71°    29.20 cor. 30.32 Clear weather, high wind.
  same place.       9 a.m.     79°    29.15 cor. 30.27



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Last updated Wednesday, March 12, 2014 at 13:31