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Tells GA about the internal counterpoise system in use in some German telescope mountings, and includes a diagram; JH knows nothing about chilling speculum metal [see GA's 1849-3-7].
Asks JH's opinion about GA's plan not to print a separate volume of magnetic and meteorological observations for 1848.
Some concerns about GA's intent of attaching magnetic and meteorological observations to the R.A.S.'s Astronomical Observations [see GA's 1849-3-28].
Will reconsider the proposal about printing observations [see JH's 1849-3-29], and get back to JH.
Has heard nothing beyond what GA has said [see GA's 1849-9-25], but agrees with GA's assessment of the situation.
Is passing on a request for a copy of JH's Cape Results from C. L. Littrow of Vienna.
A number of copies of the Cape Results were sent out, including one to Charles Ludwig Littrow [see GA's 1849-6-22]; JH will now try to trace the books whereabouts.
Asks GA if he knows of any rules or pitfalls in calculating time from earlier times [even B.C.] to the present.
Has little advice to offer JH about time calculation [see JH's 1849-3-29], except for fairly standard reminders.
Glad to hear that Margaret Louisa [JH's daughter] is coming to visit GA's family; could JH send along the key to the R.A.S. strong box?
Responds to GA's 1849-4-4, and sends the key.