Had difficulty with actinometer observations on Etna, but obtained a few. Has just obtained a living in Somerset. Is working for the Encyclopaedia Metropolitana at the moment but hopes to make a set of actinometer observations soon.
Had difficulty with actinometer observations on Etna, but obtained a few. Has just obtained a living in Somerset. Is working for the Encyclopaedia Metropolitana at the moment but hopes to make a set of actinometer observations soon.
JH's geological specimen is a piece of granular quartz, found in great quantities in Berks, Wilts, and Herts. JH promised to show him some of the garnets found by [J. S.?] Henslow in Anglesea.
Will send MS's communication about the theory of caloric to some scientific journals, rather than the Astronomical Society, where it would be inappropriate. Comments on caloric theory.
About matters relating to the building of the observatory.
Invites JH to London Institution to observe an experiment.
Is collecting and translating William Herschel's writings, projected for 4 volumes, the first one already being in press. Requests JH to provide additional biographical information about his father for one of the later volumes.
Letter of introduction for O. F. Mossotti.
Has no record of payee on draft from Caroline Lucretia Herschel's account sent to HG by JH.
Explains that because of illness, Mr. Schenk, a skilled instrument maker, will not be moving to London. [Much of letter is illegible, but it contains a draft reply from JH.]
Will follow JH's instructions. Expects to find inst[rument?] at home of Mr. Mowman or at Leicester Square.
SW's nephew Henry White is coming to Cambridge with message from [servant] Sally, who misses JH.
Hopes that letter from Mr. Langton does not mean more trouble. Flood has made 'Complete Prisoners' of residents at Slough. Glad that JH bought good horse. Advice on JH's laundry. Caroline Herschel's finances. Concern for Georg Griesbach's health. Regards from Susan White.
Birthday greetings to JH. Severe wind damage at Slough, but telescopes are safe. News of acquaintances. Condition of JH's horse.
Wants news of visitors to Slough. Encloses papers from Thomas Young. Will send Young's plates later with Miss Delevaux.
Left 'proof plate' of William Herschel at JH's residence last week. Kept it in cottage for long time. Hopes it will find 'a better place' with JH.
Asks JH to pay CH's debt to his mother and deduct that amount from next annuity payment to CH.
Writes to acknowledge the receipt of a volume of the Transactions of the Philosophical Society of Philadelphia.
[J. W. A.] Pfaff plans to publish a translation and edition of all William Herschel's papers. Requests a catalogue of those papers and permission to publish a biography of his later years.
Thanks for forwarded essay on physical astronomy. Remarks about method for precisely determining the power of a telescope. Has [C. L.] Harding's celestial atlas. Wanted to dedicate book to Astronomical Society, but asks privately whether permission is necessary.
Sends letter by Mr. Massotti of the Milan observatory, who is leaving to find employment in England. Massotti wishes to sell his dividing machine in England. FT hopes to see JH in England at the reunion of the Societé Helvetique.