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Meridian
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Extract of a JOURNEY to EDINBURGH, &c.
to survey those parts, and settle a Meridian,
undertaken Oct. 1746 at our expence, for the avoiding
of old errors, and proceeding on true principles in our
County Maps. (See p.3, 4, 5.)
AS it was necessary to have the meridian of Edinburgh
castle trac'd out before the winter was too far advanced, I
lost no time, but having provided materials, I set out for
that city, hoping to get it carry'd forward on one line
before the snow fell; but to my great surprize found the
middle ridge of mountains in Tweedale for several
miles bury'd in a monstrous depth of it, and still falling
in great quantities all day long over the lowest part of
that ridge, which is the high way leading to
Edinburgh; but as I was set out, I determined to
proceed some way or other to settle the question. When I
came near Edinburgh, the climate sem'd to be altered,
at least 10 degrees, in respect of the mountains which we
had left. I got to that city in the forenoon, but was
obliged to stay till next day before I could take the sun's
meridian; but then happily accomplished it at the castle,
and without loss of time proceeded for the top of Braid
Craigs, over which my line directed me to a remarkable
eminence in them. From these rocks I could carry it not
above a mile, being cut short by the advanced skirt of the
eastermost height of Pentland, and a very hazy
horizon. Kinghorn on the Fife coast, and the
eastern declivity of the eastermost Lomund, two very
high mountains on the east of Fife, are on the
meridian northward; this and the castle kept me firm to my
line, but I soon lost them, and found that I should be
carry'd thro' impervious mosses and mountains; I therefore
continued to west, carefull noting the quantity of my
deviating angles, from mountain to mountain, till I gained
the summit of Erric stone brae, from whose top I
could see Burnswark, in the plains of
Annandale; on the next morning having by favour of
the moon rid four hours before day-break, to reach
Burnswark by the
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