3-field tachistoscope, for use in psychological experiments; as used in the Department of Psychology, University of Aberdeen, c.1960-1980. 3-field tachistoscope circa 1960-1980
'Pandora Box' 2-field tachistoscope, incomplete. marked "North East London Polytechnic Psychiatry Department". (BPS Inv. No. 0045) 'Pandora Box' 2-field tachistoscope 1920-1970
3-field tachistoscope, used in experiments on visual perception, 1965-1995. 3-field tachistoscope 1965-1995