US Patent: 159,882 - Improvement in spirit levels


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US Patent: 159,882

Improvement in spirit levels

Patentee:

Edwin L. Barnes (exact or similar names) - Boston, MA

USPTO Classifications:

33/348, 356/249

Tool Categories:

layout tools : levels : wooden levels

Assignees:

None

Manufacturer:

Unknown

Witnesses:

Henry W. Williams

B. W. Williams

Patent Dates:
Applied:	Aug. 03, 1874
Granted:	Feb. 16, 1875

Patent Pictures: [ 1 | 2 | 3 | 4 ]

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Description:

Patrick Leach had one of these on a tool list of his. He said it is stamped with the wrong patent date of September 20, 1874, a date on which no patents were issued.