Carefully describes how to pack actinometers being shipped to India.
Showing 1–9 of 9 items
Carefully describes how to pack actinometers being shipped to India.
Regarding the inventor of the compensation bars. Would not attribute their invention to Thomas Drummond in the light of J. E. Portlock's evidence. Thanks for the paper on ancient Greek kinship.
Has been asked to comment on the writings of Hermann von Schlagintweit, but JH has not yet had time to read them carefully and so cannot comment.
Grants permission for JH's son John to remove one bundle of papers from JH's storage box.
Regarding his observations. Sending a copy of his original observations. Regarding the new variable star [T Coronae].
Corrects earlier statement that JH has not received vol. 4 of the study of India written by [Robert and Hermann] Schlagentweit
Worried by not having heard from son John, especially as there is cholera in India; JH sends news of the family, especially of how bright the younger girls are; also comments on world events and about books sent to John.
Presents in some detail and with an illustration his observations of the meteor shower 13-14 Nov. 1866.
Comments on a multi-volume work on India by the Schlaginweits [Hermann and Robert], suggesting that the work contains much extraneous computation and detail and should be compressed. Questions whether further publication on the present scale is justified.