Received memoirs of [Josiah] Quincy. Has not had time to peruse the work in its entirety. Thanks EQ for the book.
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Received memoirs of [Josiah] Quincy. Has not had time to peruse the work in its entirety. Thanks EQ for the book.
Points out that [Joel?] Spiller's article, 'Hyposulphite of Ammonia for fixing,' is 'copied verbatim' from a work of JH's.
Asks WT whether WT made a certain claim about the spectrum of strontium. Recounts observations of the strontium spectrum made by JH in 1822.
Discusses the action of hyposulphite of ammonia on muriate of silver. Gives directions for preparing hyposulfite of silver.
Comments on the bad habits creeping into the language of the German Academies. Sends list of papers and also a transcript of GE's paper for the Astronomische Nachrichten.
Has heard from Emma, son William's wife, that the solar eclipse will occur in the rainy season, and thus will not likely be visible [see JH's 1867-9-29]; JH is wondering if the equipment from the R.S.L. arrived safely.