Thanks JH for FB becoming Associate member of Astronomical Society; FB is planning to prepare a new major star catalogue.
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Thanks JH for FB becoming Associate member of Astronomical Society; FB is planning to prepare a new major star catalogue.
Thanks JH for some papers, sends some of his own; comments about errors in Greenwich star catalogue.
Letter of thanks for a copy of JH's thoughts on light.
Wishes JH well at the Cape; describes some of his current observations.
Welcomes JH back from Cape; includes results of FB's work on geodesical measurements in East Prussia.
Announces the measurement of the annual parallax of 61 Cygni.
Responds to concerns about effect of temperature on measurement of stellar parallax [see JH'S 1838-10-24]; comments on other observations.
Sending JH some writings on geodesic measurements; reports the second measurement of annual parallax of 61 Cygni; comments on some other observations.
Describes additional measurement of annual parallax.
Informs JH of FB's arrival in Manchester and of further travel plans.
About further travel plans, and people FB is meeting as he travels in Britain.
Thank you note after FB visited Collingwood.
Warm thanks for JH's kind hospitality; some comments about Prussian Order of Merit.
More about Prussian Order of Merit; further annual parallax observations, together with comments on other observations.
Note of thanks for paper of JH's; replies with a printing of a talk by FB about William Herschel.
Answers questions raised in JH's 1843-6-5; comments on other astronomical matters.
Comments about the uses of a meridian telescope.
Responds to JH's 1844-7-28 about stiffening a vertical circle; comments on other astronomical matters.
FB's observations. Happy to become associate of new Astronomical Society. Discusses observations of Halley's Comet by James Bradley and Nathaniel Bliss.
Sixteen-month delay in receipt of FB's observations. Willing to publish James Bradley's observations of Halley's Comet but questions accuracy of Nathaniel Bliss's. Sends John Brinkley's analysis [of April 1821 comet observed by Basil Hall in southern hemisphere]. Please describe Georg Reichenbach's new [transit] circle at Königsburg.