Congratulates AD on a successful move to a new house.
Congratulates AD on a successful move to a new house.
Recounts experiments JH conducted on the action of the solar spectrum on various silver salts. Explains how JH produced his solar spectrum.
Responds to GA's account of his tour [see GA's 1859-8-13] with interest, and adds a description of JH's poor health.
Writes about the activities of several family members, and then comments on the location of a railway extension, which will come closer to Collingwood.
Talks about the beauty of the flowers at Collingwood, and then comments on his Essays Q.E.R.
Requests information about specula for telescopes, especially silvered glass ones.
Asks for details of WL's system of speculum polishing and telescope construction as JH is preparing an article on telescopes for the Encyclopaedia Britannica.
Thanks for some verses; comments on the current state of Indian religious society.
Returns proof for JH's ['On a New Projection of the Sphere']. Requests 25 copies when printed.
Sends spectra obtained by Ioduret of potassium. Gives details of his latest photographic experiments.
JH cannot attend Aberdeen [B.A.A.S.] meeting due to severe illness. Will try to sketch draft of response to application to British and foreign governments for cooperation in magnetic projects.
Names three nephews of Charles Babbage and their financial status relative to Hollier fund, for which JH is trustee.
Sends procedures for preparation of the report of the Magnetic Committee for the meeting of the B.A.A.S., which JH cannot attend due to illness; asks some questions about achromatic lens theory.
Asks WW to check JH's draft report for the Meteorological and Magnetic Committee. Illness will keep him from attending the B.A.A.S. meeting.
Thanks HL for the response to JH's queries [see JH's 1859-9-4].
JH is reorganizing house while MH is away; other family news; MH is comforting someone very ill.
About the impending death of someone they both hold dear; the nature of the Scots, and an inheritance from Elizabeth Baily.
Comments on WL's information on telescope construction, and adds some of JH's own experience.
Apology for delay in returning a biographical note; some concern about state of Indian society.
Encloses note from R. J. Kane. JH observed oscillating wave created by small waterfall in EW's garden at Holybourne. Requests diagram and measurements of it.