Also Suggestion of a new
Astronomical Instrument, for which the
name "Orbit-Sweeper" is proposed. Also
Theory of the Regulation of a Clock by
Galvanic Currents acting on the Pendulum.
1861 June 1 Report of the Astronomer Royal to the
Board of Visitors.
1861 June 5 On a supposed Failure of the Calculus of Phil. Mag.
Variations.
1861 July Report of a Committee of the R. Soc. on R. Soc.(Proc.)
the advisability of re-measuring the
Indian Arc of Meridian.
1861 Sept. 21 Lecture at Manchester on the Great Solar Athenaeum.
Eclipse of July 18, 1860.
1861 Sept. 21 The same Lecture. London Review.
1861 Oct. Examination Paper for the Sheepshanks
Exhibition.
1861 Nov. 1 Translation of Dr Lamont's Paper "On the Phil. Mag.
most Advantageous Form of Magnets."
1861 Nov. 8 Note on a Letter received from Hansen on R. Astr. Soc.
the Lunar Theory. Also Discussion of (Month. Not.)
a Result deduced by Mr D'Abbadie from
Observations of the Total Solar Eclipse
of 1860, July 18.
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