LLNL Computer Museum - Magnetic Tape Viewer
Lawrence Livermore National Laboratory
Place of Publication
Livermore, CA, US
overall: 8 1/2 in x 11 in
B&W image from LLNL Computer Museum. This is a close up image of a 3M magnetic tape viewer. Univac steel tape in shown under the viewer. The bits can be seen. On the viewer " Patent No. 3013203".