Asks about partially white leaves and about droplets of water forming at the tops of leaves. Has been studying the effects of spectral rays on vegetable colorings.
Showing 61–80 of 302 items
Asks about partially white leaves and about droplets of water forming at the tops of leaves. Has been studying the effects of spectral rays on vegetable colorings.
Not much is known about the circumstances that affect the color of plants. JH's researches will be valuable if they throw any light on the subject. Comments on the various theories affecting the color of plants.
Congratulates him on his discovery of the parallax of Alpha Centauri. Comments on this and makes suggestions for further examination.
Thanks JH for reporting on C. P. Smyth's progress. Has read JH's translations of Schiller's The Walk. Sends copy of C. P. Smyth's work at Baseline Camp Zwartland on the remeasurement of N. L. Lacaille's meridian of arc.
Thanks for letter of 3 December and for encouragement. Informs JH that 30 observatories participated in observation of winter solstice. Is beginning to study humans in their different relations.
No summary available.
No summary available.
Is confident that by summer his sweeps will all be reduced and arranged in three catalogs for JH's Cape Results.
Thanks for letter and printed address and for the favorable notice of his investigations into Alpha Centauri. Comments on these and some of his observations on other stars. Encloses a note of the position of seven circumpolar stars.
On RM's stepping down as president of Geological Society. Where exactly abroad will RM pursue enquiries?
Has been ill for two months. Will be visited by Dr. Andrew Smith shortly. Hopes TF can come to Collingwood to meet Smith.
No summary available.
No summary available.
Discusses how exceptional observations of meteorological and magnetical phenomena should be recorded and what significance should be attached to them. Cannot attend next meeting of committee.
Thanks GA for exercising GA's usual discretion in the matter of the funding of Charles Babbage's calculating machine [see GA's 1842-9-26].
Proposes to come to London to visit him. Has just received the proofs of Robert Maine's paper on parallax.
Has received from William Lassell some of the new observations he carried out with his new 9" speculum. Comments on these and various clusters of stars changing their position.
Sends a memoir he has scribbled off for next Wednesday's meeting. Would like JH's advice on several points.
Remarks that he is 50 years old, and that he and CH have 'seen something of that odd and most changeable compound called Human Nature.'
Regarding JH's receipt of the 'Standard' reports. Remarks on the electrometer and barometer in the recent storm.