Returning some papers that should have been returned earlier. Hopes all are well.
Returning some papers that should have been returned earlier. Hopes all are well.
Encloses letter from G. B. Airy. Suggests new method of magnetic observation.
Has learned of the availability of a house at Kew, which could be used as a magnetic and meteorological observatory. Dr. Robinson has received the instruments.
Presents data on various disturbances. Awaits advice from C. F. Gauss. Discusses determination of intervals between observations. Mentions proposal to continue observations for 3 years.
A portable magnetometer purchased by the B.A.A.S. is now available as a loan for use in magnetic survey of British Guyana.
Will be happy to send particulars from [C. F.] Gauss's information. [Humphrey] Lloyd's instrument records changes in horizontal intensity best. Wants to employ magnetometers in New York.
A notice of meeting of the Standards Commission.
A note to accompany a draft of the report of the Standards Commission.
Sends JH a copy of draft report [see JH's 1841-1-20], and indicates procedure for coming meeting.
Regarding JH's telescope. Includes a rhyme on it.
Advice for standardizing observations, to be given to the Physical Committee of the R.S.L.
No summary available.
No summary available.
No summary available.
Has not lately done much work in photography, except to work with paper treated with vegetable substances.
No summary available.
Thanks for sending the publication the Galashiels Weekly Journal.
It will be difficult for JH to get away to Collingwood as planned as discussions [?] are slow; some family news.
Requesting information about membership of the Geological Society of London.
A notice of meeting of the Standards Commission.