Concerning Thomas Henderson's reductions of N. L. Lacaille's observations.
Showing 21–33 of 33 items
Concerning Thomas Henderson's reductions of N. L. Lacaille's observations.
Regarding the final payments for the Liverpool Telescope.
Wants a copy of his Cape Results for his assistant. Would he continue to observe the duration of annularity in the coming eclipse?
Regarding a letter from the Newcastle Philosophical Society.
Concerning the method of observation by direct and reflected vision.
Regarding H. C. Schumacher and the intended distribution of J. J. F. Lalande's catalogue.
Did he see the eclipse? Agrees with him over the H. C. Schumacher proposals.
Regarding the forthcoming meeting. Concerning the telescope used at Pulkowa.
Regarding magnetic disturbances.
Currents in telegraph wires.
Sending account of the magnetic disturbances of 24 September 1847.
A note enclosed with the printed observations made with the Northumberland equatorial telescope.
Replies to JH's 1847-11-14, with respect to Hugh Percy and star charts.