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Recounts details of his recent visit to England. Recent astronomical observations. Has JH heard from C. K. J. Bunsen about his award?
Sending a letter via Ca'colia Gibson raising various queries regarding nebulae.
Extensive letter answering the many queries about nebulae raised by AH in his 1844-4-18 [letter contains notes made by AH].
Sending the first volume of Kosmos. Queries regarding the Magellanic Clouds.
Sends thanks and very high praise for AH's first volume of Kosmos. Also comments on a number of other astronomical matters.
Convey his thanks to the King for the Order of Merit. Regrets he did not see the King or AH when they visited London recently. Gives astronomical information.
Writes to send thanks by way of AH to the King of Prussia for the award of the Order of Merit. JH also comments on some astronomical matters.