Congratulates WT on the calotype invention and the patent. Responds at some length to WT's concerns about the infinity of the universe. In postscript, provides a 4-page dialogue on the subject.
Showing 101–116 of 116 items
Congratulates WT on the calotype invention and the patent. Responds at some length to WT's concerns about the infinity of the universe. In postscript, provides a 4-page dialogue on the subject.
A further two dialogues elaborating on JH's earlier arguments [see JH's 1841-3-18] on the infinity/finitude of the universe.
Doubts that isomerism of all elements can be verified experimentally, but notes a number of groups with similar atomic weights that might well fit. Further on vegetable colors in photography. Refers to enclosure of a further dialogue on infinity.
Has been experimenting with paper prepared with light-sensitive vegetable juices. Sends two specimens of JH's results.
Explains the operation of the Council of the R.S.L. and hopes that WT will treat their unintended slight as a 'gaucherie'.
Discusses meteor showers of 9 August 1840, emanating from a point in the constellation Perseus. Calls attention to a report on these meteors as seen from near Vesuvius in 1779 by William Hamilton.
Discusses the question of whether the position of the moon has an influence on weather and whether either JH or his father have made this claim.
Submits for inspection fifteen colored photographic copies of engravings and mezzotintos prepared by casting luminous rays on substances prepared from vegetable sources.
Writing HP as Chancellor of the University of Cambridge, JH strongly recommends that William Whewell be named Master of Trinity College, Cambridge.
Asks WW to be godfather to JH's new daughter, Amelia. In reviewing WW's [Philosophy of the Inductive Sciences] has found many of JH's views changing, but cannot accept his dear friend's a prioristic approach.
Is moving the date for christening JH's daughter [Amelia] and WW's goddaughter to 3 May to accommodate the godmother, Maria Edgeworth.
Margaret Herschel and JH congratulate WW on his engagement to marry. JH sending WW an imperfect copy of JH's review of WW's Philosophy of the Inductive Sciences.
Discusses various items regarding the B.A.A.S., e.g., reduction of meteorological observations, Edward Sabine's proposal for a 'Council of 24,' and areas of science needing funding.
Congratulates WW on moving into Master's Lodge at Trinity College. Asks WW to look after a new Trinity student, the son of JH's friend Mr. Hartnell. Is making progress in reducing his Cape observations and is teaching his sons Latin and Greek. Adds some comments on happiness.
Congratulates WW on becoming Master of Trinity College, Cambridge.
Returning some papers that should have been returned earlier. Hopes all are well.