TitleSWAC Williams Tube Pattern
|Other number||16||Verso red ink|
Dimensionsoverall: 8 in x 10 in
DescriptionThis is a black and white image of a pattern of 0's and 1's on the face of a Williams Tube at Swac
.Verso: Paper sticker: " Dots and Dashes (o's and 1's) on face of CRT Swac - 1950".