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Asks for details of WL's system of speculum polishing and telescope construction as JH is preparing an article on telescopes for the Encyclopaedia Britannica.
Relates his experiences while visiting the Paris Observatory with G. B. Airy. Later travelled to Brussels to meet L. A. J. Quetelet. Is now preparing for a visit to Ireland and Mrs. Maclear will go to Bedfordshire. The meteorological observations [of the Cape] are to be printed in England under the direction of Robert FitzRoy.
Response to JH's article on 'Sensorial Vision' (1858). Notes on physical and metaphysical elements of perception and consciousness.
Notified Richard Owen that Kew observatory is ready to receive trainees for magnetic observations. Stewart Balfour estimates six weeks to train observers, who will then take instruments and leave for British Columbia or Shanghai. New observatory at University of Mississippi in U.S. American Association for the Advancement of Science has expressed interest in magnetic survey. Success in photographing sunspots, which R. C. Carrington and Warren de La Rue will supervise. Recent observations.
Announces meeting of Kew Committee at Observatory on 29 Aug.
Announces meeting of Council at Marishal College, Aberdeen on 14 Sept.
Responds to GA's account of his tour [see GA's 1859-8-13] with interest, and adds a description of JH's poor health.
Discusses installation of a 4-ft. aperture equatorial telescope. Describes plans for a glass polishing machine in great detail.
Will send a package for JH through a third party.
Discusses a telescope ordered for C. A. von Steinheil of Munich and the design of WR's glass polishing machine. Mentions visit by Thomas Maclear. Kew Telescope produces photos of sunspots.
Relating to his holiday experience in France.
Regarding the geographical position of places in France. Comments on JH's paper on light and colors.