Type T Dynograph portable 8 channel EEG pen recorder manufactured by Offner in 1958 and used at the Burden Neurological Institute. The instrument employs direct coupled amplifiers enabling recording of steady potentials and transients. 8 double ganged 24 way switches enable any two of 24 electrodes to be connected to each of the 8 channels. Electroencephalogram (EEG) pen recorder, Chicago, United States, 1958 1958
Paper feed unit for Type T Dynograph portable 8 channel EEG pen recorder; this component was manufactured at the Burden Neurological Institute to allow for recording at multiple speeds in order to reveal different aspects of the EEG waveform. Paper feeder for electroencephalogram (EEG) pen recorder 1958
Dust cover for control unit of Type T Dynograph portable 8 channel EEG pen recorder, manufactured by Offner in 1958 and used at the Burden Neurological Institute. Fabric has shrunk with time and no longer fits. Dust cover for electroencephalogram (EEG) pen recorder 1958
Dust cover for printer unit of Type T Dynograph portable 8 channel EEG pen recorder, manufactured by Offner in 1958 and used at the Burden Neurological Institute. Fabric has shrunk with time and no longer fits. Dust cover for electroencephalogram (EEG) pen recorder 1958