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US Patent: 24,429
Improvement in Compositions for Cementing Iron
Patentee: Job Johnson (exact or similar names) - East Brooklyn, NY USPTO Classifications: 148/30, 168/4 Tool Categories: woodworking machines : specialty woodworking machines : tool making machines Assignees: Chas. D. Archibald - London, England Manufacturer: Not known to have been produced Witnesses: J. A. O'Connor John S. Bishop	Patent Dates: Granted: Jun. 14, 1859 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Use of lime, bone dust, and charcoal. Use of bone dust is incorporated due to the use of phosphorus in Danemora (Sweden) iron

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