File:Britannica Bookbinding - blocking machine.png
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![File:Britannica Bookbinding - blocking machine.png](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Britannica_Bookbinding_-_blocking_machine.png/552px-Britannica_Bookbinding_-_blocking_machine.png?20120202185524)
Size of this preview: 552 × 600 pixels. Other resolutions: 221 × 240 pixels | 442 × 480 pixels | 900 × 978 pixels.
Original file (900 × 978 pixels, file size: 71 KB, MIME type: image/png)