Has recently been too ill to write. Sent portraits of William Herschel to Wilhelm Struve, Heinrich Schumacher, Karl Gauss, Friedrich Bessel, and others.
Showing 61–80 of 120 items
Has recently been too ill to write. Sent portraits of William Herschel to Wilhelm Struve, Heinrich Schumacher, Karl Gauss, Friedrich Bessel, and others.
JH letter on Gamma Virginis read at R.A.S. meeting. Niccolo Cacciatore appointed to new position at Palermo Observatory, where he plans to sell the Almanack. Many R.A.S. members experimenting with telescopic lenses.
Requests meteorological observations from JH for compilation of data for 1835. Trouble getting refracting telescope for Asiatic Society.
Thanks JH for meteorological observations and tells how he will apply them to predictions for Calcutta. Describes need to correct barometer observations. Compiles and compares barometer reading from points of India and Central Asia. Thanks JH for double star observations, which he sends to Madras Observatory.
JH's reaction to Madras Results Volume III pleases TT. Discusses his observing methods in the volume.
Sends Journal of the Asiatic Society. Calcutta Museum wants a hippopotamus skeleton; asks JH for leads.
Gives JH an estimate for the value of his property [Feldhausen] at £50 per acre.
Formally thanks JH on behalf of the Asiatic Society for astronomical memoirs and observations of the satellites of Uranus.
Reports conflicting observations of Gamma Virginis. Uses JH's method of measuring double star positions.
Presents JH with R.A.S. medal for Catalogue of Nebulae.
Plans study of Joseph Bianchi's New Sidereal Catalogue. Sends Bianchi excerpt describing double star of Gamma Virginis.
Past difficulties and faults with running of Royal Observatory. Hopes Halley's Comet has been observed. Further information on the telescope presented to Cambridge Observatory by Hugh Percy (3rd Duke of Northumberland). James Challis has succeeded GA at Cambridge. Proposed new railway near Royal Observatory and its effect on observations.
Another son born. Has given lectures at Cambridge University. Remarks on routine at Royal Observatory. St. Helena Observatory closed. Printing of the Greenwich Observations. 'Northumberland' telescope not ready yet. Observations on the Greenwich zenith tube. Estimates for the Observatory. Suggests that the Observatory should be moved to a new site. Railway plan near Greenwich altered. James MacCullagh's new theory of optics.
The Academy has received JH's 'Instructions for making ... meteorological observations in South Africa. Thanks him for this.
Discussion of his latest experiments on polarization.
Has sent copies of various star catalogues. Regarding the Brisbane Catalogue and its accuracy. R.A.S. has awarded JH its medal. J. J. Littrow and the appearance of the comet.
Regarding the Brisbane Catalogue. JH's discoveries relating to the moon. The James South lawsuit still hangs on. Is about to depart for Scotland. W. S. Stratford has finished his ephemeris of Halley's Comet.
Regarding his own observations of the recent solar eclipse. Is sending G. B. Airy's report on Alexander von Humboldt's letter on magnetic observations.
Further regarding the phenomenon of the shooting stars in America in November. Operation on Frederick Augustus (Duke of Sussex). Is preparing a paper on the recent solar eclipse.
Has received the Royal medal from the R.S.L. on JH's behalf. Shooting star phenomenon seen in France and Scotland. The Americans are preparing an expedition to the South Pole. Has constructed two pendulums.