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JH writes to excuse himself from a meeting the following day at which Charles Babbage's calculating engine will be discussed.
Declines to serve on a committee to assist the Council of the R.S.L. to revise its charter and statutes.
Construction of JH's new instrument for photographing spectral lines is still incomplete, and A. E. Becquerel has already announced discovery. JH will return £100 granted to JH by R.S.L.
Will not be coming to either meeting [see James Hudson's 1830-12-18], because JH has fully expressed himself previously on the matter of Southern Hemisphere observations, and had already asked to be excused from further association with Glass Committee and any other connection with 'that subject.'
Notes interest expressed by Macedonio Melloni in meteorological observations. Urges that R.S.L. Council give its attention to the mass of meteorological observations that have accumulated.