Is returning the Proceedings of the Manchester Society, and The Magnetical and Meteorological Observations for 1851-58. Regarding the registration of magnetical disturbances.
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Is returning the Proceedings of the Manchester Society, and The Magnetical and Meteorological Observations for 1851-58. Regarding the registration of magnetical disturbances.
Concerning JH's memorial to W. R. Hamilton's daughter. Holiday in Keswick. Comments on JH's papers on optics and force.
Writes about a long standing, very old, member of the Royal Observatory's Board of Visitors [W. H. Smyth] having been summarily dismissed from the Board.
Explaining JH's polarization difficulty [see JH's 1865-10-16].
Printed address of the Astronomer Royal to individual members of the Board of Visitors of the Royal Observatory.
Further regarding polarized light and its interferences.
Regarding I. K. Brunel's bridges and JH's letter on suspension roofs. Effects of a thunderstorm on a water barometer.