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US Patent: 924,876
Cross Head
Patentee:
Frederick O. Ball (exact or similar names) - Plainfield, Union County, NJ

USPTO Classifications:
384/11

Tool Categories:
propulsion and energy : steam engines : steam cross heads

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 08, 1908
Granted: Jun. 15, 1909

Patent Pictures:
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