Patent model for stencil writing. This patent model demonstrates an invention for a method of making perforated stencil sheets that were easy for the printer to read, and thus to use, by inking the edges of the puncture holes. The invention was granted patent number not on view

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

Keywords: arts, culture, graphic, printing