Dimensions: 115x64x32 cm Materials: durmast, metal Constructor: Nuova SARI, Firenze Date: 1995
Working model after Francesco di Giorgio, Ms. 197.b.21 (BML), fol. 19v
The hoist by means of two ropes control the vertical travel of the two hooks that alternately raise the drop hammer. When the carrying hook reaches the maximum height, it is forced to release the hammer. The other hook is then positioned to pick up the hammer, and the cycle is repeated.