Agrees with GS's clarification of 'continuous spectra' and other terms [see GS's 1869-9-2]. Includes a copy of part of a letter from John Herschel [JH's son] about solar prominences.
Showing 61–69 of 69 items
Agrees with GS's clarification of 'continuous spectra' and other terms [see GS's 1869-9-2]. Includes a copy of part of a letter from John Herschel [JH's son] about solar prominences.
Writes to support grant request from Georg Erman of Berlin to allow Erman to do calculations on magnetism observations from circumnavigation of world.
In commenting on a paper on actinometric measurements varying with depth of atmosphere, JH questions the accuracy of the equipment used.
Thanks for grant of £50 from B.A.A.S. for calculations related to request from Georg Erman [see JH's 1870-5-6].
Requests some rewording of B.A.A.S. resolution [see JH's 1870-9-27].
On a correction to a report [JH's obituary on William Whewell].
Reports on paper [R.S.P.T., 159,. 575-] by [Thomas] Andrews on continuity of gaseous and liquid states of matter, believing it fit for publication.
Reports on Edward Sabine's paper [R.S.P.T., 154, 227-] comparing magnetic disturbances at Kew and Nertschinsk. Makes suggestion regarding period of solar spots and other matters, but deems paper worthy of publication.
Has completed catalogue of nebulae and star clusters observed by Charles-Joseph Messier, JH's father, and JH. Requests R.S.L.'s help in 'reducing [them] to an epoch.'