A reed level is an Arabic invention for determining level for the purpose of construction. A hole is put through a long straight reed and water is poured into the center. When the flow out of both sides is equal, the reed is level.[1] The device serves the same purpose as a spirit level.
| This technology-related article is a stub. You can help Wikipedia by expanding it. |
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)