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US Patent: 1,042,385
Signalling system
Patentee: Albert C. Bell (exact or similar names) - Chicago, IL USPTO Classifications: 346/144, 346/34 Tool Categories: Assignees: Hardinge Brothers - Chicago, IL Manufacturer: Not known to have been produced Witnesses: A. A. Thomas Arthur H. Boettcher	Patent Dates: Granted: Oct. 29, 1912 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hardinge Brothers
Description: For watchmen.

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