File:Reproduction of Ritty Dial, the first practical cash register.JPG
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Size of this preview: 691 × 600 pixels. Other resolutions: 277 × 240 pixels | 553 × 480 pixels | 885 × 768 pixels | 1,180 × 1,024 pixels | 2,276 × 1,976 pixels.
Original file (2,276 × 1,976 pixels, file size: 633 KB, MIME type: image/jpeg)