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Supplement May 25th 1861 Taking the 3 PM observations marked "A" for [[underlined]] Variation [[/underlined]] [[strikethrough]] that it will [[/strikethrough]] they are marked as follows: Altitudes 75°-10' 61° 74°-03 60 74°-10 59.5 P.D. 68°=56'-52" -------- ------ 3) 224 -03 3)180.5 Lat 62 -52 -00 sec ,34098 2) 74 -41 ------ -------- 60,17 0 Alt 37 -35 -12 sec ,10104 37 -20-30 ---------- 15-56 2)169 -24 -04 ----------- ----------- 37 -36-26 84 -42 -02 cos 8,96553 1-14 68 -56 -52 ----------- ---------- 37 -35-12 15 -45 -10 cos 9,98337 ------- 2)19,39092 -------- cosine 9,69546 [[612?]]-16 2 -------- 120-32 60-10 -------- Variation N. 60-22 W. This is an increase of error by the Compass not reversing as it should - & also by the Large daily variation - The variation is really N62W
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This transcription is a facsimile that matches the calculations as they appear on the page.