This patent model demonstrates an invention for a type breaker which was assigned patent number 86968. This device broke the jets from the bodies of newly cast type and was intended to be attached to a typecasting machine. The patent was granted to Philip Heinrich, proprietor of the Ph. Heinrich type foundry in New York.
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.