Is sending his lectures on magnetism he gave at Cambridge.
Showing 1–8 of 8 items
Is sending his lectures on magnetism he gave at Cambridge.
Concerning JH's Mahomet's coffin theory.
Gives information on the rotational periods of Mars, Jupiter, and Saturn [see JH's 1869-5-30].
Regarding JH's letter to the Times on the gold coinage question.
Has read the syllabus of GA's lectures on magnetism; it reminds JH of his attempt to solve the problem of 'Mahomet's coffin', which JH still believes would work.
Is considering a new edition of Outlines Astr.[?] and wants to provide the latest determinations of the periods of rotation of the planets.
Has received GA's paper on spectral lines and is amazed that it is possible to see a spectrum in the light from faint nebulae.
Continues to rail against the imposition of the metric system in India; argues against any change in the British sovereign coin.