Artifact Details Title Electro Technical Mark VI Catalog Number 102623913 Type Still image Description Black and white image of the backpanel of the Mark IV computer. On the left is a technican working with a soldering iron. Verso has " Back panel wiring of the Mark VI Tunnel diode memory (left) Plated wire memory (right). Publisher Electro Technical Laboratory Place of Publication Japan Identifying Numbers Other number #1195 Verso pencil Dimensions overall: x 8 1/2 in Category Photograph Credit Courtesy of Gwen Bell Lot Number X7413.2015