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US Patent: 9,786X
Compass Needle
Patentee:
Nathan Bassett - Wilmington, DE

USPTO Classifications:
33/356

Tool Categories:
trade specific : surveyor

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jun. 28, 1836

Patent Pictures:
USPTO pdf tiff
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Description:
This design for a compass needle uses a semicircular counterweight to allow the needle to be accurately balanced.

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