Original 1923 Patent Petition “Flanging Machines” by Hugh McCabe Lawerence, MA For Sale

The product is an original 1923 patent petition titled "Flanging Machines" by Hugh McCabe from Lawrence, MA. This historical document provides insights into the innovative technologies developed in the early 20th century, specifically in the field of flanging machines. The patent petition offers a unique glimpse into the design and manufacturing processes of that era, making it a valuable collectible for those interested in industrial history and vintage paper artifacts.