Responds to Hubbard's inquiry about coinage.
Showing 21–40 of 58 items
Responds to Hubbard's inquiry about coinage.
Comments on the state of JH's health, and on things astronomical and mathematical.
Compliments HW's expression for the formula for coefficients of differences of the odd powers of zero. JH busy, but hopes soon to develop demonstration.
Complaining about the recent wet weather.
Some more information on the use of the actinometer [see JH's 1856-4-24 & GA's 1856-6-3]; some news of JH's wife, Margaret.
Lectures AH on the 'examination paper of life' after AH had complained that he was disgusted by a college examination.
Wants to make a new musical instrument on the principle of resonance; JH also suggests some improvements in the construction of the organ.
Celebration planned for arrival of MH and IH. Son John is home from Addiscombe. JH's health. News of Hawkhurst. Regards to Mr. and Mrs. Greig.
Comments on a proposed grant to publish T. R. Robinson's Armagh observations.
Comments on GS's ideas [see GS's 1856-6-27] about the nature of fluorescence. Asks for strong horseshoe magnets from R.S.L. to try to solve the problem of 'Mahomet's coffin.'
Thanks for the magnetic theory [see GS's 1856-7-9] and agrees it argues against JH's ideas about Mahomet's coffin. Describes some interesting magnetic experiments JH has seen.
Is concerned about the receipt of AH's accounts; lectures AH about the danger of moving into someone else's room [more luxurious] for the vacation; finally asks AH to discover who among the 'university-men' is color-blind, and to what degree.
Deposit enclosed money at Cadet House for John Herschel's readmission [to Addiscombe].
No summary available.
Sends copy of Admiralty Manual, which includes JH article on meteorology. Asks TM what to do with Bokkeveld meteorite specimen still in his possession.
No summary available.
Thanks for papers on diamagnetism and lecture on 'slaty cleavage.' Compares with phenomenon of 'ringing coins' in mint. Explains with examples conformity of JT's views with JH's own on geological stratification. Praises simplicity yet completeness of JT's work.
Clarifies letter on motion and structure modification of glaciers. JH thinks glacier ice unfavorable for exhibiting JT's phenomenon [see JT's 1856-7-30].
No summary available.
Returns Mary Somerville's note and the papers. Does not feel competent to give his opinion on the papers as a whole as there are parts outside his field of study. Comments on some of the points raised, and on the whole he disagrees with the conclusions of the papers.