One of five PA400 Pre-amplifier units and channel interface cabling
1989
Five PA400 Pre-amplifier units and channel interface cabling, as used in the Biosignal Laboratory at the Institute of Psychiatry, London, England, established by Professor Hans Eysenck and Dr Paul Barrett to conduct investigations into the relationship between psychophysical and psychometric measures, 1988-1994.
1989
1989
1989
1989
1989
1989