Has heard that he has been suffering from the cramp and suggests a few remedies that he himself has found beneficial.
Has heard that he has been suffering from the cramp and suggests a few remedies that he himself has found beneficial.
Her husband is well again and her own health is much improved. Would be interested to know which photographs he likes best and why.
In one of JH's letters he mentions a name of a forger; was it G. B. Libri? It would not be easy to detect a forgery.
Further points on the Michel Chasles forgeries.
T. A. Hirst is trying to get Michel Chasles to give up his authority.
Provides sources of information about polarization, spectroscopy and solar physics for son John, who is continuing his preparation for observing the solar eclipse [see JH's 1867-9-12].
Has been observing sunspots and talks about sunspot cycles; JH is glad to see that son John has been practicing observing with the spectroscope in preparation for the Indian solar eclipse [see JH's 1867-6-12].
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