Variation of the Compass, as Observed on Board the Endeavour Bark, in a Voyage Round the WorldCommunicated by LieutJames Cook, Commander of the Said Bark . 20 Azimuths DittoAmp* 7Azim. 7 20Ampl. 9x8Azim. 9 — Amplitude AzimuthsAzim* and 8 i< 1Azim. 8 4 i Amplitude AzimuthAzim. 14 13Ampl. 14 1,8 „ Amplitude AzimuthDitto AzimuthsDUtaDitto15 Azimuths2 Amplitudes20 Amplitudes12 AzimuthsAmplitude Remarks 5 20 24 7 i7 9 9 7 0 6 55 8 23 8 14*2 8 14 9 1 14 15I 14 24 18 3° 19 3° 23 o%% 5020 36 2 3L 21 IO 22 30 xtract [ 432 ] Extradl from Capt. Cooks Journal. Nov. 9 At 8 A* M, Mr.
Variation of the Compass, as Observed on Board the Endeavour Bark, in a Voyage Round the WorldCommunicated by LieutJames Cook, Commander of the Said Bark . 20 Azimuths DittoAmp* 7Azim. 7 20Ampl. 9x8Azim. 9 — Amplitude AzimuthsAzim* and 8 i< 1Azim. 8 4 i Amplitude AzimuthAzim. 14 13Ampl. 14 1,8 „ Amplitude AzimuthDitto AzimuthsDUtaDitto15 Azimuths2 Amplitudes20 Amplitudes12 AzimuthsAmplitude Remarks 5 20 24 7 i7 9 9 7 0 6 55 8 23 8 14*2 8 14 9 1 14 15I 14 24 18 3° 19 3° 23 o%% 5020 36 2 3L 21 IO 22 30 xtract [ 432 ] Extradl from Capt. Cooks Journal. Nov. 9 At 8 A* M, Mr. Green and I went on ftiore, to obferve the 1771 Tranfit of Mercury, which came on at 7* ao 58 apparent time, and was obferved by Mr. Green alone ; 1 at this time was taking the Sims altitude in order to afcertain the time*. Mr. Green J Internal contact1 External contaa C. Cook J Internal contaA\ External contad Lat obferved at noon 360 48 28, the mean of this and yefterdayobfervations gives 360 48 5§ South, the latitude of the place ofobfervation. The variation of the compafs was found to be n° 6*Eaft. *** Thefe obfervations were made by the help of a Grahams watchwith a fecond hand $ corrected by obferved altitudes of the Sun. XLVt Tranfuus
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Keywords: ., bookcentury1700, bookdecade1770, booksubjectproceed, bookyear1771
