Compares observed times of rocket bursts at observatory and at Blackman St.
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Compares observed times of rocket bursts at observatory and at Blackman St.
Can JH deputize for him at the Astronomical Society meeting?
Further eclipse observations from around the world [see HW's 1820-7-30].
Sends three chronometers set to Blackman St. time. Confirm them by a transit of Arcturus tomorrow, then return them to JS at Blackman St. Gives times for next rocket firings.
William Herschel is glad that JH declined offer for WH to become commissioner of longitude. Hopes JH enjoys visit with James South and family.
Sends set of William Herschel's duplicated papers. Curious results 'examining the rings,' but bad weather has hampered experiments. Correction of spherical aberration. JH is using J. d'Alembert's Opuscules. Image of Alpha Lyrae.
Discusses origin and reactions of enclosed borate of lead. Postscripts on parallel strata in glass.
Accidentally found some verses on a scrap of paper, and wondered if it would fit the music of Cherry Ripe; sends verses to MK.
Asks MK's permission to allow a close friend to make use of the words once sent to her by JH as suitable for the music of Cherry Ripe.
Provides detailed travel suggestions for WW's planned trip to the continent. Asks WW to deliver letters to various European scientists.
Regarding refraction in crystals of apophyllite and quartz.
Thanks for the kind reception afforded him at Slough. Sends a copy of [J. H.?] Schröder's paper on the discoveries of William Herschel. Also sends some observations of the late solar eclipse made in Holland.
Collecting English observations of eclipse of 7 Sept. 1820 for H. J. Walbeck. Construction of object glasses.
Sir Edward Codrington will take charge of chronometer for Captain Copeland if delivered to Codrington at Portsmouth.
Hopes to call on Thursday to discuss queries. Regarding recent astronomical experiments. Alterations to his twenty-foot telescope.
It was too cloudy for any worthwhile observations to be made during the recent eclipse. Looking forward to the publication of JH's work. Outlines his own recent and projected work. Thomas Brisbane observed the eclipse at Cork.
Invites JH to the London Institution to meet Humphry Davy.
Meeting at Dr. George Pearson's on Friday next.
Hopes JH will meet CB and Francis Baily in the near future to discuss arrangements for the Astronomical Society.
HO was elected associate of Astronomical Society. Prize for 1821 relates to Saturn's satellites.