_1043 Eskdalemuir Geophysical Observatory "This site of national scientific importance relocated to Eskdalemuir in 1908 to escape the magnetic disturbances caused by trams in London. The Observatory supplied vital meteorological data to the War Office during World War II. The critical decision fixing the precise timing of the D-Day landings was based on just such information. The Observatory also studies \ufffdgeophysics\ufffd, making magnetic recordings from deep inside the earth, providing the data used to aid navigation. Staff will provide guided tours during the day. STB access category 2: assisted wheelchair." Organization "This site of national scientific importance relocated to Eskdalemuir in 1908 to escape the magnetic disturbances caused by trams in London. The Observatory supplied vital meteorological data to the War Office during World War II. The critical decision fixing the precise timing of the D-Day landings was based on just such information. The Observatory also studies \ufffdgeophysics\ufffd, making magnetic recordings from deep inside the earth, providing the data used to aid navigation. Staff will provide guided tours during the day. STB access category 2: assisted wheelchair."