US Patent: 1,417,496
|
Hand Level Sighting Level
|
Patentee:
|
|
James H. Carmean (exact or similar names) - Kansas City, MO |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Oct. 29, 1920 |
Granted: |
May 30, 1922 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Ralph Brendler
|
Description: |
This is a simple design for a surveyor's sighting level. It uses a U-shaped level vial in a tube-- the user looks through the tube and lines up both ends of the liquid in the tube with the distant object. |
|