Wednesday, 13th March, 1771

Wednesday, 13th. In the P.M., having the wind at South, we steer’d along shore West by South 1/2 South until 3 o’clock, when, finding this course carried us off from the land, we steer’d West by North; at 6 o’clock Cape Laguillas, or the high land over it, bore East by North 12 Leagues distance, and the westermost land in sight North-West 1/2 West. We continued a West by North course, with the wind at South-East until day light in the Morning, when we haul’d in North-West and North-West by North; at 8 the Cape of Good Hope North-West by North, and at 10 we were abreast of it, and distance off about 1 League or little more. We passed close without a rock, on which the Sea broke very high; it lies about a League right out to Sea from the Cape. After passing the Cape we kept along shore at the distance of about 1 League off, having a fresh Gale at South-East; at noon the Cape bore South-East, distance 4 Leagues. Latitude observed 34 degrees 15 minutes South, Longitude in, by our reckoning, corrected by the last observation, 341 degrees 7 minutes West, or 18 degrees 53 minutes East from Greenwich, by which the Cape lies in 34 degrees 25 minutes South Latitude, and 19 degrees 1 minute East Longitude from Greenwich, which nearly agrees with the observations made at the Cape Town by Messrs. Mason and Dixon in 1761; a proof that our observations have been well made, and that as such they may always be depended upon to a surprizing degree of accuracey. If we had had no such guide we should have found an error of 10 degrees 13 minutes of Longitude, or perhaps more to the East, such an effect the current must have had upon the ship.

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