Patent model for printers sidesticks and quoins. This patent model demonstrates an invention for paired sidesticks, grooved and tapered on the inside surfaces to take matching quoins; the invention was granted patent number 87339. The sticks were held together loosely by not on view

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Size: 1938px × 1289px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arts, culture, graphic, printing