Artifact Details Title Set of 3 plug in tubes and transistor board Document Titles Set of 3 plug in tubes and transistor board Catalog Number 102652139 Type Still Image Description This is a black and white image of three tube plug ins for the SWAC computer and a circuit board with transistors against a grayish white background. Written on verso side of image in pencil is "plug ins". Date ca. 1950 Dimensions 8 x 10 in. Format Photographic print Category Publicity photograph; Identification photograph Subject SWAC computer Collection Title Harry D. Huskey papers Series Title Photographs Credit Gift of Harry Huskey Lot Number X3247.2006