Regarding equipment at Royal Observatory. Comparison of planets.
Showing 21–26 of 26 items
Regarding equipment at Royal Observatory. Comparison of planets.
Asks JH for comments on GA's proposals for the Standards Commission [see JH's 1840-7-29]; GA comments on some time spent recently in Glasgow and surrounding regions.
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.
Further observations on David Brewster's experiments. On heliometers. Observations on suggestions for Standards.
On the possibility of obtaining a heliometer from Munich.