Patent Model - Improvement in Cutter-Heads for Frizzing-Machines

Maker and role
Rudolph Naatz (German), Patentee
Production date
May 14 1878
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Object detail

Wood, paper
6 x 4" (15.2 x 10.2cm)
Naatz's patent "relates to the class of frizzing-bits or rotary cutters for wood and metal working machines which are reversible, so as to present a cutting-edge in either direction; and the invention consists in the construction and arrangement of parts..." (Patent Number 203,552)
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