File:Comptometer ad 1917 (11).png
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![File:Comptometer ad 1917 (11).png](https://upload.wikimedia.org/wikipedia/commons/thumb/b/be/Comptometer_ad_1917_%2811%29.png/383px-Comptometer_ad_1917_%2811%29.png?20160409043735)
Size of this preview: 383 × 600 pixels. Other resolutions: 153 × 240 pixels | 306 × 480 pixels | 490 × 768 pixels | 654 × 1,024 pixels | 1,926 × 3,017 pixels.
Original file (1,926 × 3,017 pixels, file size: 3.41 MB, MIME type: image/png)