Artifact Details Title Harold Cohen making adjustments to plotter Catalog Number 102627442 Type Still Image Description Harold Cohen making screwdriver adjustments to a computer board in his Aaron plotter system. There is a black board in background.On verso in pencil "B.C., 1976" Date 1976 ca. Photographer Cohen, Becky Publisher Computer History Museum Place of Publication Marlboro, MA, US Identifying Numbers Other number 106 Verso on paper sticker Dimensions overall: 5 in x 4 in Category Photograph; contact print Credit Courtesy of Gwen Bell Lot Number X7413.2015