Armagh Observatory
Documents concerning: surrender of land for use by the Armagh Observatory 1789 - 1790, insurance policies 1794 - 1945, list of indentures concerning transfer of land and appointment of J.A. Hamilton as astronomer 1790, meridian marks 1802 - 1872, journal of works and repairs to Armagh Observatory buildings and equipment (T.R. Robinson, J.L.E. Dreyer and assistants), plans of Armagh Observatory and ...
Armagh Observatory
The J. A. Hamilton Papers at Armagh Observatory consist of his letters and treatises on his observations recorded at the Observatory in Armagh. A number of the letters are from Neville Maskelyne, the Astronomer Royal for England. Maskelyne wrote detailing the requirements for a modern observatory and offered to vet and purchase equipment in London. Hamilton corresponded with other key figures in a ...