Chorobates
Sign in to saveThe chorobates, described by Vitruvius in Book VIII of the De architectura, was used to measure horizontal planes and was especially important in the construction of aqueducts (mainly during Roman Times).
Key facts
- Tool.name
- Chorobates
- Tool.image
- Chorobates2.svg
- Tool.caption
- Chorobates - An ancient Roman device for measuring slopes
- Tool.classification
- Measuring instrument
- Tool.related
- Spirit level
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Article
3 sectionsContents
- Isaac Moreno Gallo's interpretation of the chorobates
- See also
- References
The chorobates, described by Vitruvius in Book VIII of the De architectura, was used to measure horizontal planes and was especially important in the construction of aqueducts (mainly during Roman Times).
Similar to modern spirit levels, the chorobates consisted of a beam of wood 6 m in length held by two supporting legs and equipped with two plumb lines at each end. The legs were joined to the beam by two diagonal rods with carved notches. If the notches corresponding to the plumb lines matched on both sides, it showed that the beam was level. On top of the beam, a groove or channel was carved. If the condition was too windy for the plumb bobs to work effectively, the surveyor could pour water into the groove and measure the plane by checking the water level.