Heard of JH's 'domestic affliction.' Postpones visit till next week.
Heard of JH's 'domestic affliction.' Postpones visit till next week.
Will be leaving for America shortly so regrets he will be unable to visit him. Has happy memories of his interview at Greenwich.
Is preparing a lecture on photography and wonders if JH was the inventor of the hyposulfite fixing process.
Is grateful for his letter regarding the claim for the discovery of the hyposulfite fixing process.
Regarding the differences between portraits and photographs. Is sending him some magnesium for photographic purposes.
Would like to publish his letter on the hyposulfite fixing process.
Compares JH's 'stereoscopic phenakistiscope' (in 'Instantaneous Photography,' 1860) with AW's invention called 'Thaumatrope.' Suggests how to make moving pictures. 'Government Certificated [School] Masters' in England, Ireland, and Scotland should be enlisted to make meteorology observations.
JH's reply was first AW heard that 'Stereoscopic Thaumatrope' had already been made. Lists two requirements for workable system of enlisting government schoolmasters for meteorological observations. AW and fellow students are ready to assist.
Discusses work on biographies of scientific men.
Asks for information on William Herschel.
Note accompanying a copy of a paper by AS.
Sends a copy of the first part of A. D'Orsan's new work on Our Satellite. Intends to bring it to the notice of the R.A.S. at their next meeting.
Thanks for letter. Further regarding Our Satellite by A. D'Orsan and its similarity to a work of Warren de La Rue.
Poses question of sun's differential gravitational attraction on opposite sides of earth, inspired by JH's article ['Sun,' 1863] in Good Words.
Is preparing a popular work on astronomical phenomena and would welcome copies of JH's Outlines Astr. and Cape Results.
Is grateful for JH's kind action [see AG's 1863-1-30]. Address the parcels to the London address of Hachette.
Is grateful for the Memoirs. Hopes that JH will think his own work worthwhile when it appears.
Was pleased to receive JH's letter and criticisms on his book Le ciel. Comments on some of JH's criticisms.
Is preparing a new edition of his book Le ciel, which J. N. Lockyer is translating into English. Would like to reproduce new information on shooting stars and meteors and would like JH's assistance.
Sends some memoirs to JH. Is keeping the most recent ones. Has always cited JH in his works. Requests JH's critique of AP's work on photo-electric images. Leaves London in an hour and regrets not having met JH.