File:USpatent60436 1866.gif
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Size of this preview: 671 × 599 pixels. Other resolutions: 269 × 240 pixels | 538 × 480 pixels | 860 × 768 pixels | 1,271 × 1,135 pixels.
Original file (1,271 × 1,135 pixels, file size: 126 KB, MIME type: image/gif)