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IMG_5433.jpg DEC PDP-12ThumbnailsBurroughs Adding Machines Model 1 Style 9DEC PDP-12ThumbnailsBurroughs Adding Machines Model 1 Style 9DEC PDP-12ThumbnailsBurroughs Adding Machines Model 1 Style 9DEC PDP-12ThumbnailsBurroughs Adding Machines Model 1 Style 9DEC PDP-12ThumbnailsBurroughs Adding Machines Model 1 Style 9

Gear detail of the IBM 519, 1946.

Author
Lin Lee
Dimensions
2016*1512