Writes to supply GA with an address for a reply to JH's 1840-5-16.
Showing 21–26 of 26 items
Writes to supply GA with an address for a reply to JH's 1840-5-16.
Thanks GA for the time and trouble GA took in writing about interference bands [see GA's 1840-5-17]; JH's wife, Margaret, is making many visits to the dentist.
A note agreeing with GA about prism interference [see GA's 1840-5-20].
Responds to GA's circulated material for the Standards Commission; suggests time to digest the information.
Is sending comments on GA's proposals [see GA's 1840-10-13]; JH has been asked about obtaining a heliometer from Munich; seeks GA's opinion on the quality of the brass workmanship in Munich.
Provides detailed comments on GA's circulated material on standards [see JH's 1840-10-30]; tends toward maintaining basic units but finding decimal relationships between them.