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US Patent: 18,728
Surveying Level
Patentee:
Chrisopher Becker - Brooklyn, NY

USPTO Classifications:
33/292

Tool Categories:
layout tools : levels : level adjustments
trade specific : surveyor

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Munson
Henry E. Roeder

Patent Dates:
Granted: Dec. 01, 1857

Patent Pictures:
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Description:
This patent covers a new way of adjusting a surveyor's sight level.

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