Discusses desirability of middle latitude stations in North America. Impressed by the work of [A. D.] Bache.
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Discusses desirability of middle latitude stations in North America. Impressed by the work of [A. D.] Bache.
A. D. Bache reports that self-recording instruments are installed at Washington observatory and ready to begin observations. ES is making field observations to confirm changes in magnetic lines in England since ES's 1837 survey. [JH annotation: Summary of Bache's letter. Joint survey by Smithsonian Institution and U.S. Coast Survey will begin when Bache receives full instructions from Sabine.]
Does JH wish to alter ES's reply to A. D. Bache? Origins of names for American rivers. Hopes JH is well enough to accept the invitation of Lord Aberdeen [G. Hamilton-Gordon].
Replied to J. A. da Silva that Kew Observatory would gladly train Portuguese observers and superintend manufacture of instruments, but that ES could not speak for English government. [JH annotation: Summary of letter from da Silva, director of meteorological observatory in Lisbon, requesting training for Portuguese observers at Kew, British influence on Portuguese government to join magnetic survey, and advice on instruments.]