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Believes he has discovered a second satellite of Neptune; gives readings.
Humphrey Lloyd wants R.S.L. and B.A.A.S. committees on magnetism to meet together at B.A.A.S. meeting in Leeds. JH suggests inviting Edward Sabine.
Informs JH that GA (and his assistants) have been making pendulum observations in a coal pit.
Sends on announcement of 'new planet Parthenope' from Annibal de Gasparis at Naples.
Acknowledges receipt of JH's 1850-5-28; GA will pass on the news to some others.