Patent Model for an Ellipsographic Copying Machine

Carpenter, Luman · ca 1842

This patent model demonstrates an invention for a carpenter's type-cutter and protractor; the invention was granted patent number 2894. The cutter and protractor was a machine for cutting multiple copies from a single pattern. Typically, it was to be used in making wood type, which could be enlarged or reduced, extended or compressed, thrown into perspective, or turned into "grotesque type of any given fashion from the same plain pattern."