Regrets missing JH's visit; discusses influences of atmosphere and solar position on Indian weather and difficulty it causes in obtaining meteorological laws.
Regrets missing JH's visit; discusses influences of atmosphere and solar position on Indian weather and difficulty it causes in obtaining meteorological laws.
Clarifies results of pressure oscillations on two coasts of India as similar despite different weather conditions, and deems results thus unsatisfactory; explores reasons and suggests solutions for lack of success.
Discusses balloon experiments to explain fall of barometer with humidity, and explains more discrepancies in vapor-pressure observations. Mentions new 'Hygrometric condenser' as an alternative to wet bulb experiments.
Thanks for signing certificate for [C. M.] Elliott. Sends extracts from George Buist's history of heat storms in India, with evidence of great masses of ice dropped by these storms.
Glad that Dr. [Duncan] Stewart received promise from Mr. Prinsep of cadetship [in H.E.I.C.] for Stewart's son. WS cannot promise same for young [George] Maclear but will add Maclear to list of applicants for WS's patronage.
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Reports on and discusses applications of hourly wet bulb observations in ocean.
Noting discrepancy between dew points obtained by wet bulb and direct methods, WS cannot say which is nearer the truth; suspects that both have inaccuracies.
Suggests possible times to meet with JH.
Agrees with papers demonstrating falsity of present methods of correcting barometer for moisture and 'dogma of one gas being a vacuum to another.'
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Suggests course of action regarding 'Gen'l. Cullen's [?]' hydrometric observations submitted to R.S.L.
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Asks JH to look at a letter by John Forbes Watson, whose paper the R.S.L. recently refused to read.