This is a 35mm color slide image of four people working around the PDP-1. A woman and man on the left are standing and looking at some sort of testing machine or PDP-1 component. The man second from right is sitting down and leaning over something. The man on the right is wearing a brown shirt and looking to his left. Light is coming from the ceiling lights and from the windows. Stamped on the top edge of slide is "10159" and written immediately after in black ink is "-141-S". Written on the bottom in black ink is "HISTORY" and written in pencil is "comp check out".