US Patent: 360,836
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Extension Leveling Rod
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Patentee:
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William A. Wright (exact or similar names) - Cave Spring, Floyd County, GA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 06, 1886 |
Granted: |
Apr. 05, 1887 |
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Joel Havens
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Description: |
Claim:
My invention has relation to extension-rods for the use of surveyors and persons engaged in surveying and leveling land; and it consists in' the improved construction and combination of parts of such a rod having a clamp for holding the two sliding bars. |
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