Is sending two copies of his book on magnetism [Treatise on Magnetism (London, 1870)].
Is sending two copies of his book on magnetism [Treatise on Magnetism (London, 1870)].
No summary available.
Thanking him for copies of books. People at Collingwood are gazing at the eclipse. Concerning the astatic needle.
Has made a trial of JH's lens but it was too large to be satisfactory. Regarding the 'graphoscope,' a new toy. Has been concerned with the manufacture of an improved form of opera glass. Present forms have many imperfections. Gives details of his own theories and sends one for JH's notice.
Hopes he will accept a Christmas box, viz, a portrait of Sir William Herschel by Thomas Lawrence. It was given him by his friend Sir John Kirkland, who is sure of its authenticity.
No summary available.
Thanks CL for his book [The student’s elements of geology (1871)].
Is correcting proofs [of Descent].
Thanks and a detailed description of the functioning of a pair of binoculars sent by JD to JH.
No summary available.
Moon not uniformly dark during last eclipse of sun. In 1858, Mr. Stuart saw same phenomenon, but JH, W. R. Dawes, and [James] Breen reported no such partial illumination. Suggests that this observation was due to refrangibility in medium, not to actual illumination of moon.
Sending two sheets [of Descent]. About one-and-a-half more will complete PLS’s task.
Thanks for his letter. Is glad the binoculars give a satisfactory performance, but regrets the width between the tubes does not suit JH's eyes. Will alter this and send a new pair later.
No summary available.
No summary available.
No summary available.
Regrets that Hartogh Heijs van Zouteveen has already translated his new book into Dutch.
Thanks JH for writing. Complains of obstacles to his work. Happy to see JH recognizes work begun by Blaise Pascal and continued by famed mathematicians. Asks JH to respond to AQ's wish to dedicate his book [L'Anthropométric] to JH with only one word: 'J'accepte.'
Is working on humans and their proportions. Encloses brochures. Wishes to dedicate L'Anthropométric to JH.
CD is obliged for PLS’s correction [of Descent proofs]. Will add a caption to the woodcut [of the wart-hog] since it is too late to make a new one.
Inconceivable that JH merely writes 'J'accepte' (I accept) in response to the great honor AQ bestows upon him by dedicating his book to JH. Congratulates AQ on his 'fresh contribution to statistical knowledge.' Has just completed his catalogue of approximately 10,000 double and multiple stars.