. Travels amongst the great Andes of the equator . mercury. appendix. ALTITUDES DETERMINED IN ECUADOR. 397 Bar Form B. KEW OBSERVATORY.—Certificate of by /t L^r*^ , *<&*?r^ Compared with the Standard Barometer of the Keiv Observatory. f«~f*£ CORRECTION (including capillary action) = ~Q00S~~* Scale of inches examined and found ^^t^^^^^^r^*^rr corrections to attached thermometer. NO.^?/, /^2J At 32° At 42° At52° At 62° At 72° At 82° At 92° -0<7 +0Z- \-0Z- \0%2- +0/ -vov \0V Note.—I.—When the sign of the Correction is +, the quantity is to be added tothe observed scale
. Travels amongst the great Andes of the equator . mercury. appendix. ALTITUDES DETERMINED IN ECUADOR. 397 Bar Form B. KEW OBSERVATORY.—Certificate of by /t L^r*^ , *<&*?r^ Compared with the Standard Barometer of the Keiv Observatory. f«~f*£ CORRECTION (including capillary action) = ~Q00S~~* Scale of inches examined and found ^^t^^^^^^r^*^rr corrections to attached thermometer. NO.^?/, /^2J At 32° At 42° At52° At 62° At 72° At 82° At 92° -0<7 +0Z- \-0Z- \0%2- +0/ -vov \0V Note.—I.—When the sign of the Correction is +, the quantity is to be added tothe observed scale reading, and when — to be subtracted from it. II.—Mercurial Thermometers are liable, through age, to read too high;the Thermometer ought, therefore, at some future date, to be again tested at themelting point of ice, and if its reading at that point be found different fromthe one now given, an appropriate correction should be applied to all theabove points. Kew Observatory, fu<*<*/ wp K. Superintendent. c/en^/z^-t^ *&n^rtststst/A-t*^J CORRECTIONS to SCALE READINGS of^BAROMETER. at 29-5 at 30-0 at 30-5 J attd therr- — 00*+- ?+- C£t- When the sign of the correction is +, the quantity is to he added to the observed reading; and whento be subtracted from it. The corrections given above include those for Index-error, Capacity, and Capillarity. Meteorological Oitice. CV^ £j*isvJ*£/l/ _ ISS0 . 398 ALTITUDES DETERMINED IN ECUADOR, appendix. cealed during the whole time, and we were more or less in a cloud. At theHacienda of Antisana, which is surrounded by extensive grassy slopes, and isabout 6000 feet below the summit, during our three days stay, 1 noted nohigher temperature than 49° Paht. In the calculations for the height ofAntisana the observed air temperature, namely 55° Paht., has been employed ;and in almost all other cases the observed temperatures have been employed,and have not been assumed. Vet I cannot but feel that a closer appro
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