Screen printed in white at the top of the face of the panel
Stamped into the metal on the back
Handwritten on a sticker on the right side of the front
Stamped in white on the front
overall: 3 1/2 in x 19 in x 3 in
The record contains a panel with two rows of 16 indicator lights, which progress from 0-15. The lights are connected to the system by two terminal strips. "M.I.T. Servomechanisms Laboratory" is screen printed in white in the top right corner of the panel.