

Industrial, large, hydrostatic level.
Product details: Large hydrostatic level | | Hydrostatic | Survey | Material: Glass
This is a large level, probably used to position machinery. It is unsigned and undated. The box it came in probably is not original either. The two levels can be connected by a tube (not with the set). One of the two levels has a graduated glass, the other is a clear glass. The clear glass seems original making this set a bit harder to use than those with a graduation on both sides.
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Data sheet