File:USpatent414112 1889.gif
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![File:USpatent414112 1889.gif](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/USpatent414112_1889.gif/491px-USpatent414112_1889.gif?20050208094350)
Size of this preview: 491 × 600 pixels. Other resolutions: 196 × 240 pixels | 393 × 480 pixels | 996 × 1,217 pixels.
Original file (996 × 1,217 pixels, file size: 67 KB, MIME type: image/gif)