[ 379 ] 
Memoranda. 
The body of the obfervatory (ere&ed at the Cape) was circular, 
the radius of which 6\ feet in the clear ; the height of the 
circular wall <$i feet; the roof conical, and moveable, (made 
of board) a lid in it of 3 feet breadth, to open, which was eafily 
turned to any part of the heavens, as the whole top moved 
freely. 
The clock was fixed againft two pieces of timber (let near 4 feet 
into the ground) of 10 inches by 8 ; thefe pieces being joined 
together by pins of i| inch diameter. 
The mean of Farenheit’s thermometer, as it ftood at 
6 or 7 in the morning, noon, 1 or 2 h after, and 
7 or 8 in the evening. 
From 27th of May 1761 to June 10th 59.5, Extremes 53 to 65. 
From 10th of June to 20th - - 59. 2, Ditto - 50 to 67. 
From 20th of June to 30th - - - 57.9, Ditto - 51 to 68. 
From ift of July to 15th - 56.3, Ditto - 50 to 65. 
From 15th of July to 30th - - - 54.3, Ditto - 47 to 60. 
From ift of Auguft to 15th - - - 56.9, Ditto - 48 to 66. 
From 15th of Auguft to 30th - - 56.0, Ditto - 48 to 68. 
From ift of September to 15th - - 57.4, Ditto - 50 to 69. 
From 15th of September to 26th - 54.8, Ditto - 49 to 64, 
At 47 upon 18th July, in the morning, and 69 the ift and 14th 
of September, in the afternoon. Thefe were the greateft dif- 
ferences I faw. 
June 6th, at the end of the tranfit, 5 5. 
Note. Thofe obfervations marked : are a little dubious. 
Thofe marked : : are very dubious. 
The tranfit was obferved with the power that magnified 
120 time. 
The eclipfes of .the fatellites of Jupiter with the fame 
power. 
C c c 2 
The 
