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Asks TM to come over and to select the trees for the Time Ball.
Captain [F. W.?] Grey has just been to the Observatory as he wished to ascertain the error of his chronometers. Outlines the signalling devices adopted. Fine definition last evening. Will call on Saturday if convenient.
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Asks TM to inquire of Captain F. W. Grey of the Jupiter about N. L. Lacaille's mural quadrant, which was supposedly aboard the ship two years ago.
N. L. Lacaille's quadrant appears to have been shipped to England and landed at Portsmouth Dockyard. Will put the ball on the new flagstaff to be erected. Has spoken to George Eden (1st Earl of Auckland) about the Simon's Bay tide machine.
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Discusses readings made by his barometer and that sent from the Observatory by Charles Babbage. Sends publications concerning a new fossil and on geology.
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