Coming
from the north, the railroad passes up the Chesterfield valley close
by the town and continues up the same valley, till it is necessary for
it to enter the valley which runs the opposite way towards Buttersley:
the tunnel passes under the high ground between these two vallies: so
that it is in reality at the water-shed: it is to be I think more than
a mile long, and when finished 27 feet clear in height, so it is a
grand place. We saw the preparations for a blast, and heard it fired:
the ladies stopping their ears in due form.
1839
"Cambridge Observatory:--On Mar. 7th I went to Cambridge on the
business of the Northumberland Telescope: I was subsequently engaged
on the accounts, and on Aug. 16th I finally resigned it to
Prof. Challis, who accepted it on Aug. 19th. On Sept. 11th I
communicated its completion and the settlement of accounts to the Duke
of Northumberland. The total expense was _L1938. 9s. 2d._ + 15000
francs for the object-glass.
"At Greenwich Observatory:--On Jan. 3rd I received the last revise of
the 1837 Observations, and on Jan. 8th the first sheet for 1838.--In
July I report on selection from a long list of chronometers which had
been on trial, and on Sept.
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