No summary available.
No summary available.
No summary available.
Hard frost damage to tender shrubs; word puzzle competition with $5,000 prize in an American paper.
No summary available.
No summary available.
Sending an incomplete copy of the fourth edition of his own book [Traité général de photographie] on photography, which he would like to dedicate to JH.
Not surprised that actual costs [of publishing JH's catalogue of nebulae] departed from estimates. Reports vote by [R.S.L.] committee. Does not believe publication will be expensive.
No summary available.
Is grateful that he has been allowed to dedicate his book to JH. Will incorporate the suggestions.
[Printed notice] Solicitation by Geological Society of contributions for Charles Nichols, 22-year member who has 'fallen into...difficulty.'
Sends plant specimens. William Borrer will be glad to send seeds.
Discusses plans for a hot-air balloon.
Receives report from Crystal Palace concerning balloon test.
Notes on trapping air at different elevations [during balloon ascent]. G. B. Airy and JH will be absent. W. H. Sykes will arrive this evening. Will make another ascent Monday.
No summary available.
Is glad his article on central forces pleased him. Sends one of his latest solutions. Would like a few lines by way of a testimonial. Has been unfortunate when applying for positions as he has lacked support.
No summary available.
Requests donation to hospital.
Thanks for JG's Correlation of Physical Forces; JH is still uncertain about the nature of heat.
Undated letter of four pages over 1 folio.