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    Re: Matthew Flinders Charts
    From: Peter Blaskett
    Date: 2021 Apr 6, 21:26 -0700

    Many thanks to David Pike for jolting my mind.

    Flinders' book says:

    "At noon a projecting head two miles long, which, from the lumps of rock at the top,
    I called Cape Knob, was three miles distant; and our observations and bearings of
    the land were then as under;

    Latitude, observed to the north and south  34° 35' 26"
    Longitude by time keepers,                119  15
    The cliffy projection past Cape Riche,
    with Mount Rugged behind it,            N. 75 W.
    Two rocks, distant 7 or 8 miles,        N. 56 W.
    Cape Knob, eastern extremity,           N. 11 E.
    A cliffy projection further eastward,   N. 46 E.
    One of the Doubtful Isles,              N. 54 E."


    "As the wind veered round to the west and southward, we steered more in for the
    north side of Doubtful Island Bay; and at noon, our situation and the bearings
    of the land were these:

    Latitude, observed to the north and south         34° 16' 40"
    Longitude by time keepers                        119  47
    Doubtful Isles, south extreme, dist. 11 miles, S. 55  W.
    West Mount Barren,                             N. 77½ W.
    Middle do.,                                    N. 25  W.
    East do., the furthest visible land,           N. 28  E."

    So I am fairly sure his T.K. notation must refer to longitude position by 'time keeper'.

    Thanks to all.

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