National Museum of American History
Patent model of a Book-stitching Machine
Boynton, Edward S. · ca 1880
This patent model demonstrates an invention for a signature holding and presenting device which was granted patent number 232446. The invention was to be used with David McConnel Smyth's book-stitching invention (Patent 220312, 1879). The model is incomplete, only the folding metal signature holder and wooden carriage rack survive.
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