US Patent: 778,130
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Spirit Level Eclipse Level
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Patentee:
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Daniel A. James (exact or similar names) - Akron, OH |
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Patent Dates:
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Applied: |
Mar. 03, 1904 |
Granted: |
Dec. 20, 1904 |
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Russ Allen.
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Description: |
Improvement in attaching the spirit vial to the support and adjusting the level. This is accomplished by using a transparent tube that encases the vial and that is secured by a metallic clip that is attached to the level body. |
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