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US Patent: 1,619,370
Cylinder gauge
Patentee: Chester C. Robbins (exact or similar names) - Waltham, MA USPTO Classifications: 33/542.1 Tool Categories: Assignees: B. C. Ames Co. - Waltham, MA Manufacturer: B. C. Ames Co. - Waltham, MA Witnesses: Unknown	Patent Dates: Applied: Dec. 19, 1922 Granted: Mar. 01, 1927 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for B. C. Ames Co.

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