Enhancetron 1024 2 channel averaging system with sweep speeds ranging from 0.032 to 2048 seconds which can operate as a single channel averager with 1024 points in the sweep or 2 channels with 512 points in each channel. The sweep can be triggered externally or manually by press button. It was purchased in 1967 for use at the Burden Neurological Institute with a grant by the Medical Research Council.