Regarding pens and suitable ink for various types. Further comments on the inscription for Francis Baily's memorial tablet.
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Regarding pens and suitable ink for various types. Further comments on the inscription for Francis Baily's memorial tablet.
Reply from G. A. Erman to JH's circular is best one yet received. Erman recommends calculating magnetic constants of 1829. ES suggests grant from B.A.A.S. to fund this. Alexander Humboldt will reply soon. Charles Wheatstone should describe new apparatus in letter to JH that can be sent to observatories.
Regarding magnetic establishments and observations.
A Tasmanian Cyttaria is same species as CD’s Fuegian fungus. Did the species originate on the beeches of Fuegia or of Tasmania?
JDH gives interpretation of Vestiges.
John McCulloch, J. F. Schouw, and Lamarck on the species question.
Responds to comments about Robert Hunt [see JH's 1845-4-2]; talks about making an artificial eye.
Comments on JH's observing a 'falling star.'
About a letter of recommendation JH is preparing for Robert Hunt.
Sending the manuscript of James Dunlop's paper.
As trustee of marriage settlement of CB's sister [Mary Anne Hollier], JH is asked to sign enclosed order. Reports distribution of money to sister and to H. J. Hollier.
Wants to know if GA's opinions [see GA's 1845-4-1] are available for public information, or only for JH.
Received reply from Karl Kreil in letter from Count Senftenberg, who owns private magnetic and meteorological observatory east of Prague run by Kreil's former assistant. ES asks JH to write letter to Clemens von Metternich, as requested by Senftenberg. High regard for Kreil's work.
Last letter to JH was private [see GA's 1845-4-1].
Wants information on dispersion/separation of light in plate or crown glass.
Regarding the deed for CB's brother-in-law. Is reading G. W. Leibniz's metaphysical works.
Provides the best values available for dispersion and separation, which will allow GA to calculate what he needs [see GA's 1845-4-4].
The President was requested to write to the East India Company about the observatories. Continuance of the magnetic observations at Greenwich was referred to the Committee of Physics. Cannot find where Nicolas Clement-Desormes's observations are published. Has been studying the wet bulb problem. Capt. Herbert has denounced the article on hygrometry in Brewster's Encyclopaedia.
Thanks for note. Believes agreement with Henry Colburn does not cover 2d ed. of Journal of researches. Regrets Murray’s Colonial Library series will require one-fifth reduction of text; will consult Lyell on how to reduce scientific part. Prefers that JM consult with Colburn, but in case he declines, encloses draft of letter he would send to Colburn. Anticipates co-operation of Colburn, as he has paid CD nothing for 1st ed. of Journal.
Sending proofs and costs of four plates from engraver James Basire. Plate of large nebulae in progress. PS located old style type that JH prefers. Finances prohibit including all plates. JH must select which ones to include.
C. P. Smyth receives appointment as Astronomer Royal of Scotland. Again thanks JH for recommendation.
With thanks for ED’s publication. "I consider your having made my work known in Germany a full & ample recompense to such exertions as I made during our Voyage".