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US Patent: 103,821
Improvement in the construction of horse-power for cotton-gins, &c.
Patentee: James M. Albertson (exact or similar names) - New London, CT USPTO Classifications: 185/19 Tool Categories: propulsion and energy : animal powered apparatus Assignees: None Manufacturer: Albertson & Douglass Machine Co. - New London, CT Witnesses: C. Kelterborn H. J. Crocker	Patent Dates: Granted: Jun. 07, 1870 Antedated: May 30, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Albertson & Douglass Machine Co.

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