Plans date and time for first ascent of balloon experiment. WS's daughter has fallen in love with JH's son William.
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Plans date and time for first ascent of balloon experiment. WS's daughter has fallen in love with JH's son William.
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.
Requests letter ascertaining William Mann's competence, assuring his hiring as astronomer at Madras.
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.
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.
Invites JH to meeting of Balloon Committee and updates everything in previous letter.
Before meeting of Balloon Committee, requests JH's opinion on value of renewing balloon ascents.
Agrees with papers demonstrating falsity of present methods of correcting barometer for moisture and 'dogma of one gas being a vacuum to another.'
Expresses satisfaction with results of continued magnetic and meteorological observations in various locations.
Suggests possible times to meet with JH.
Encloses newly-discovered proof that John Forbes Watson's wet bulb depression was not a clerical error.
Updates JH on activities of Balloon Committee, and thanks him for suggestion regarding temperature measurement. Mentions improving health of Mrs. Sykes.
Asks for JH's opinion on balloon ascents, to be presented at next Balloon Committee meeting. Explains enclosed letters and diagrams regarding ascents; mentions that new thermometer suggested by JH is under construction.
Reports on and discusses applications of hourly wet bulb observations in ocean.
Offers JH professorship of astronomy at Oxford and hopes to see him at meeting of Meteorological Committee.
Regrets that he cannot offer JH the information he needs regarding the stature of service-men, but suggests places for further searching. Shares observations about relationships between dew point and barometer.
Communicates Balloon Committee's feeling that balloon should not go as high as JH suggested, despite Henry Coxwell's having safely ascended higher. Reports successful presentation of previous results, hoping that Committee will find sufficient funding to continue.
Asks JH to look at a letter by John Forbes Watson, whose paper the R.S.L. recently refused to read.
Assures JH that [Cape Results] will receive warm welcome in libraries of India. Suggests other recipients there. Send copies with dispatches from India House.