Pitt, John (1756-1835) 2nd Earl of Chatham, General
Found in 20 Collections and/or Records:
Correspondence regarding the construction of a workshop for the Time Department for research into experimental equipment and its construction, including the photographic zenith tube. Most of the correspondence is between the Abinger Magnetic Observatory and Chatham Dockyard. There are also letters concerning equipment for the workshop and the transfer of redundant tools.
Correspondence with H. Tinsley and Co. Ltd regarding the supply of a high precision potentiometer to Abinger, 1953, and letters regarding the supply of straight filament lamps to Abinger, 1952.
Correspondence regarding the magnetograph clocks at the Abinger Magnetic Observatory, including details of repairs.
Correspondence of H. Spencer Jones with the Danish Meteorological Institute and Professor De la Cour regarding variometers for Abinger.
Concerning his deceased son's salary and will, and offering his condolences.
Concerning a new machine for facilitating computations for finding longitude at sea.
Daily observations taken by Wales while the Resolution was at sea, preceded by a note on the thermometers and barometer.
Note that the observations taken on shore by Wales are provided in a separate series.
Miscellaneous material relating to geodesy and geodynamics, including a report on terrestrial magnetism and atmospheric electricity work at Greenwich and Abinger, 1927-1929; reports and notes to members of the Committee for Geodesy and Geodynamics, 1928 and 1930; correspondence regarding the possibility of establishing a permanent Department of Geodesy and Geophysics at Cambridge University; and a copy of the International Association of Geodesy 'Rapport du Secrétaire Perpétuel', 1909.