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US Patent: 37,569
Improvement in weighing apparatus
Patentee:
Augustus B. Davis - Philadelphia, PA

USPTO Classifications:
177/158

Tool Categories:
specialty tools : scales and balances

Assignees:
None

Manufacturer:
Riehlé Brothers - Philadelphia, PA

Witnesses:
John White
Henry Howson

Patent Dates:
Granted: Feb. 03, 1863

Patent Pictures:
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"Vintage Machinery" entry for Riehlé Brothers

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