Concerning object-glasses.
Showing 21–40 of 69 items
Concerning object-glasses.
Concerning the new meridional instrument. Is JH coming to town soon?
Willing to let GA choose the best objective lens [see GA's 1848-4-5]; then JH offers another possibility; all are ill at Collingwood.
Regarding the reinstatement of the zenith tube.
Further information on the zenith tube. Description of a zenith tube.
Does not believe that GA's proposal [see GA's 1848-5-4] will work.
No summary available.
Apologizes for having questioned GA's proposal [see GA's 1848-5-6], which is very good and should work well.
No summary available.
No summary available.
Received proof pages of Admiralty Manual [see JH's 1848-2-2], and wants to add a paragraph on the zodiacal light [which GA attaches].
Regarding Mary Somerville's proposals for extraordinary terrestrial refractions—Admiralty Manual.
Agrees that no requests for additional observations should be made of Thomas Maclear; Admiralty Manual is about to be printed [see GA's 1848-7-15].
A note accompanying JH's copy of Admiralty Manual [see JH's 1848-7-15 or later].
Forwarding some misdirected proofs of ship's officers instructions to JH [see GA's 1848-7-17].
Asks JH for his opinion of F. W. A. Argelander's letter concerning the publication of his work by the R.A.S.
Wants more information about a Venus parallax expedition.
Forwards a letter about the Venus parallax expedition [see GA's 1848-9-21], and adds some comments.
Reports that William Lassell has written to say he has discovered the 8th satellite of Saturn.
Personally would like to have F. W. A. Argelander's work printed [see GA's 1848-9-13], but will need to get a wider opinion; also asks about sharing money available from the Admiralty [see GA's 1845-10-24].