File:USpatent86340 1869.gif
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Size of this preview: 482 × 600 pixels. Other resolutions: 193 × 240 pixels | 386 × 480 pixels | 617 × 768 pixels | 1,162 × 1,446 pixels.
Original file (1,162 × 1,446 pixels, file size: 49 KB, MIME type: image/gif)