File:Du Pont gunpowder ad 1922-11.png
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![File:Du Pont gunpowder ad 1922-11.png](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Du_Pont_gunpowder_ad_1922-11.png/451px-Du_Pont_gunpowder_ad_1922-11.png?20230218131805)
Size of this preview: 451 × 600 pixels. Other resolutions: 180 × 240 pixels | 361 × 480 pixels | 577 × 768 pixels | 770 × 1,024 pixels | 1,540 × 2,048 pixels | 2,724 × 3,623 pixels.
Original file (2,724 × 3,623 pixels, file size: 1.3 MB, MIME type: image/png)