Replies to GA's request for meeting dates [see GA's 1838-11-14], and suggests ways to shorten the work of the commission [see JH's 1838-11-16].
Showing 21–29 of 29 items
Replies to GA's request for meeting dates [see GA's 1838-11-14], and suggests ways to shorten the work of the commission [see JH's 1838-11-16].
Agrees to GA's suggested dates [see GA's 1838-11-20]; comments on several approaches to defining a standard of weight.
Thanks GA for all his efforts on Thomas Maclear's behalf [see GA's 1839-2-25]; comments on some developments in photography, including the work of Nicephore Niepce done in approximately 1826.
About the question of an astronomer for a vacant position at Kew Observatory.
No summary available.
Sympathizes with GA in the family sorrow [deaths of GA's sons Arthur and George]; JH complains that house hunting, and other matters, are keeping him from important work.
George Everest-Thomas Jervis affair. Observations on the production of color by chemical rays.
About astronomical matters, such as parallax and variable stars.
Brief note supporting GA's medal recipient ideas [see GA's 1839-12-16], and adding some of JH's ideas.