The sighting through the straight line B, C, or δ, φ.
The plumb line D, E, or from both places of the water level B, A.
Both sights δ.
The straightedge η, μ.
The arms or ancones elbows on the chorobates K, F, G, or K, N, or on the side, L, M, N, O.
The hooks between them F, K, or O, N.
Perpendicular weight F, ξ.
The corbels/mutuli brackets where the level rests, R, S.
Where the level rests at the end, T.
The spindle which is inserted into the beam, α.
The small wheel which turns the spindle, β.
The little string or cord pulled from one place to the other, M, S.
Plumb weights V, X and Y, Z.

The explanation now follows of a

clever machine to lift water somewhat by means of a wheel, as is to be found in the following copper plate

Although the artificial waterworks of this time are searched out nearly to the highest degree, we still wish to present here a simple yet clever water wheel for scooping much water in little time. And since sharp-minded, contemplative philosophers...