Specification of a patent for an excavating scraper, being an improvement on the common scraper used for removing earth. Granted to Dudley Marvin, of Canandaigua, Ontario county, New York, September 2, 1831

✍ Scribed by Dudley Marvin

• Book ID: 114029052
• Publisher: Elsevier Science
• Year: 1832
• Tongue: English
• Weight: 221 KB
• Volume: 13
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(32)90157-4