Is expecting to be summoned to Slough, about repossessing JH's [and William Herschel's] old premises; this will affect JH's availability for a meeting [see GA's 1843-6-24].
Is expecting to be summoned to Slough, about repossessing JH's [and William Herschel's] old premises; this will affect JH's availability for a meeting [see GA's 1843-6-24].
Agenda items for next meeting of 'Committee for Superintending the Construction of Standards.' Compares English, French, Danish, and Prussian standards.
A notice of meeting of the Standards Committee.
Provides JH with the measurements from a series of observations of Gamma Virginis.
Finds GA's measurements of Gamma Virginis far away from JH's own, and instructs GA in the best way to measure double star positions.
Regarding the measurement of angles. Observations on a problem set by JH.
Regarding a telescope for Thomas Maclear.
Has received a request from the Admiralty to order a new telescope for the Cape observatory; at the same time, JH has received an unsolicited offer of a lens. JH seeks advice and information from GA.
Provides JH with information and advice about large lenses, which JH is considering for a Cape of Good Hope Observatory equatorial telescope.
Regarding custody of the Standards.
Regarding the storage of the Standard weights and measures.
Makes some suggestions about possible storage places for the United States' standards [see GA's 1843-9-9].
Describes some available glass discs, which might do for making lenses for a large refracting telescope [see GA's 1843-8-30].
Requires information on an actinometer.
No summary available.
No summary available.
No summary available.
Gives formula for defining the measure of the scale of an actinometer.
Recommends buying optics for 7.5-inch telescope from Metz and Mahlers in Munich and having those mounted in London.
Encloses copy of a paper for JH's comments. Regarding reviews of GA's paper on 'Tides.'