The work of the Northumberland Telescope was going on
through the year: from Nov. 24th to 29th I was at Cambridge on these
works.
"An object-glass of 6-3/4 inches aperture (a most unusual size at this
time, when it was difficult to find a 4-inch or 5-inch glass) had been
presented to the Greenwich Observatory by my friend Mr Sheepshanks,
and on Mar. 29th I received from the Admiralty authority for mounting
it equatoreally in the empty South Dome, which had been intended for a
copy of the Palermo Circle.--In the month of July the Admiralty wished
for my political assistance in a Greenwich election, but I refused to
give any.--On Jan. 3rd I gave notice to the Admiralty that I had
finished the computations of Groombridge's Catalogue, and was ready to
print. The printing was authorized and proceeded (the introduction was
finished on Nov. 22nd), but the book was not quite ready till the
beginning of 1838.--In connection with the Cavendish experiment: on
June 10th I wrote to Spring Rice (Chancellor of the Exchequer) for
_L500_, which was soon granted: and from this time there is a great
deal of correspondence (mainly with Mr Baily) upon the details of the
experiment and the theory of the calculation.
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