Sending observations of his barometrical observations made during the summer at Chamouny. Comments on them and the work of [Alfred?] Gautier.
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Sending observations of his barometrical observations made during the summer at Chamouny. Comments on them and the work of [Alfred?] Gautier.
Surprised and grateful for JH's encouragement concerning his Stellarum duplicium. Informs JH that the observatory survived the fire at Abo. The university is moving to Helsingfors, Finland. [F. W. A.] Argelander will remain and is working on determining delineations of the foundation stars.
Discusses the poor health of Heinrich Olbers, and Johann Encke's inability to acquire the necessary instruments. Wants JH to send to CH a few of her 'Indexes.'
News of his family. Joseph Clement's work on the machine and alterations proposed. Clement wants payment of £150. Recent happenings at the R.S.L.