Magnetic field detectors from the first commercial magnetocephalography scanner (MEG).
1990s
1990s
1989
1984
1983
1982
1985
1984
1987
1984
1990-1991
(1962); 1982
1985
1986
1983
circa 1983
1986
1990-1991
1987
2000-100 BCE
1990
1988
1982
2000-100
1983
1989
1985
1986
1985
1984; 1983
1985
1986
1989
1985
1990s
1985-1988
1985
1989
1984-1986
1982
1988
1988
1985
1990-96
1982
1988
1989
1984
1985
1987
1903 (original); 1982 (model)