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A Voyage to Terra Australis — Volume 2 by Matthew Flinders
page 38 of 608 (06%)
33 52 do , do , do , 8 51
31 36 do , do , head north, 9 8
30 32 do , three comp., do , 8 42
26 10 do , one comp., head N. by W. 8° 40', corr. 8 7
25 0 Ampl., do , head N. W. by N. 9 39 , corr. 8 9
24 43 do , do , head S. E. ½ S. 6 33 , corr 8 14


The coast lies nearly north, and except Sandy Cape, appears to be mostly
of free stone, which I have not found to produce any effect upon the
needle; and what is remarkable, on comparing my observations with those
of captain Cook, it appeared that little or no change had taken place in
the variation, during thirty-two years; for wherever our observations
were taken with the ships heads in the same direction, there the same
variation was obtained to a few minutes.

Within Break-sea Spit, an amplitude gave the variation when corrected, 7°
25' east; and one taken at the anchorage near Sandy Cape, but
uncorrected, the direction of the ship's head being unknown, 7° 57' east.
There is little doubt that on bringing the land to the eastward of the
ship, the variation was diminished at least half a degree: the stone of
Sandy Cape is granitic.

SUNDAY 1 AUGUST 1802

In the morning of August 1, the wind was from the southward, and we
steered across Hervey's Bay, towards a sloping hummock on the west side,
where my examination in the Norfolk had terminated. The soundings
increased from 7, gradually to 18 fathoms, and afterwards decreased till
half past four in the afternoon; when the sloping hummock bore S. 2° E.
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