Magnetic field detectors from the first commercial magnetocephalography scanner (MEG).
1990s
1990s
1997-2000
2001
1999
circa 2010
1998
2009-2010
2010
circa 2005
circa 2010
1992-1999
1801-1900
2000
1860-1900
1860-1896
1820-1850
1998
1977
2009-2010
1995-2000
1998
circa 1995
2004-2010
1990s
circa 2005
circa 2005
circa 2000
2005
1997
1980-1986
1998
1992
1997-2000
1986-1997
1998
1992-1999
1860-1900
1900-1950
1997-2000
1999