File:USpatent788660 1905.gif
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![File:USpatent788660 1905.gif](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7e/USpatent788660_1905.gif/363px-USpatent788660_1905.gif?20050212112500)
Size of this preview: 363 × 598 pixels. Other resolutions: 145 × 240 pixels | 291 × 480 pixels | 834 × 1,375 pixels.
Original file (834 × 1,375 pixels, file size: 45 KB, MIME type: image/gif)