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US Patent: 813,997
Base Attachment for Center Gages
Patentees:
John L. Baltzer (exact or similar names) - Athol, MA
Laroy S. Starrett (exact or similar names) - Athol, MA

USPTO Classifications:
33/572, 33/638

Tool Categories:

Assignees:
L. S. Starrett Co. - Athol, MA

Manufacturer:
L. S. Starrett Co. - Athol, MA

Witnesses:
Frank E. Wing
Florence E. Boyce

Patent Dates:
Applied: Dec. 05, 1904
Granted: Feb. 27, 1906

Patent Pictures:
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"Vintage Machinery" entry for L. S. Starrett Co.
Description:
Round stock with a recess in the base and groove to recieve the center gage.

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