Has sent him the abstract on harmony. Further remarks on this.
Has sent him the abstract on harmony. Further remarks on this.
Would like his views on binocular vision. Regarding David Brewster's theories on this subject.
Has not read article on binocular vision. Gives his views on this subject. Sends a copy of a paper he read at Leeds on visual impressions.
Methods of taking photographs of the sun to a smaller scale, at Kew. This should be made the exclusive duty of one person.
Is thinking of applying for the Lowndes professorship at Cambridge, and would welcome a testimonial from him.
Sending one of his tracts. Comments on the subject of duplicate equalities.
Does not intend trying for the Lowndean Professorship. Hopes that JH has been asked to do a memoir of George Peacock. Hears he has been traveling about the country. Sends a riddle.
Responds to JH's questions about discovery sites of extinct species of saurians, mammoths, snakes, giant sloths, etc.
Describes JH's visit to an old, bedridden friend [Bullar?]; JH has seen son John on board ship at Southampton, and then comments on the beauty of the country, which JH enjoyed as he traveled.
Discusses the use of the stereoscope, including stereoscopic views of the moon and sun. Also discusses the appropriate stereoscopic angle.
Has put son John on board ship and they both looked for Mrs. Russell [?] but could not find her; JH reports on the health of daughter Amelia and about the time of their return home.
On some of the elements of the orbit of a newly appearing comet.
Sending a volume dealing with his latest travels in Madagascar.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.