Anthony Grafton (polymathic historian of the book at Princeton) actually built a replica of the book wheel pictured in the original post. Only one of its kind in the world, as far as I know: http://www.princeton.edu/~paw/archive_new/PAW06-07/11-0404/f...
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There's a better picture of his wheel (I assume - it looks the same) here: http://www.sil.si.edu/exhibitions/odyssey/images/ramellibook...
