Sends some historical data to illustrate the elevation of the coast at Valparaiso in recent times.
Showing 1–20 of 27 items
Sends some historical data to illustrate the elevation of the coast at Valparaiso in recent times.
Congratulates WDF on his marriage,
reminisces about Cambridge and early entomology. Now neglects entomology for geology.
Describes Concepción after earthquake.
Hopes to cross Cordilleras before they leave South America in September.
Definite plans now to leave Valparaiso 1 June and to arrive in Sydney in January; then Cape of Good Hope and home in September 1836.
Describes Concepción after earthquake.
Will cross the Cordilleras. Hopes snow will hold off.
The termination of the voyage has been decided – September 1836.
The earthquake of Concepción.
His geological observations (since November). Can now prove both sides of the Andes have recently risen to considerable heights.
Zoological collection.
Plans to cross the Cordilleras.
Urges him to return home. News of family and friends; the Langtons will go to Rio in April and then winter in the West Indies. Henslow has a son.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
Has been unable to locate the planetary nebulae; did JH give their places correctly, or is the instrument unequal to the task? Sends a comparison of John Pond's declinations and the Cape Zenith distances. Comments on the latitude of the Cape. The Hungerford got off yesterday.
Reports on location of a planetary nebula. Expresses thanks for book by [Robert] Woodhouse.
Much obliged for JH looking over the observations. Comments on these and the accuracy of the Cape circle and mural circle. Will send his observations on Crucis.
Encloses the Brisbane observations. Appears to be a discrepancy in some of the stars.
Some comments about constant error in TM's observations.
Sent as a letter of introduction for Captain [William] Edie, who was hurt on an expedition in southeastern Africa, and who knows much about the region.
Sends the thermometers he made at sea. Made them as accurately as he could. Introduces Lady William Bentinck.
[Otto] Rosenberger has calculated perturbations of Halley's Comet by the inner planets. [Wilhelm] Beer and [J. H.] Mädler have a map of the moon and have located two moving spots on Jupiter. F. W. Bessel's assistant has reduced James Bradley's observation to constants of aberration and nutation.
Even though JH has not written, AQ has received news from JH's compatriots. Asks about JH's health. Has not really used equatorial. Continues work on terrestrial magnetism and includes observations. Asks if JH has received last part of translation of JH's work on optics.
Comments on importance of 'geographical observatories' like JL's as complementary to astronomical observatories, and outlines their chief objects of enquiry. Suggests that JL have observational results examined and published, and recommends taking many hourly observations.