55. For an improvement in the Grist Mill, called a self-stopper; Robert M'Cormick, Jr., Augusta county, Virginia, April 20

• Book ID: 114028824
• Publisher: Elsevier Science
• Year: 1831
• Tongue: English
• Weight: 148 KB
• Volume: 12
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(31)90211-1