Pulley block

Pulley block with two sheave holes, also called double block, from a modern ship found off the coast of Manga del Mar Menor.Salto de línea The pulley block was used in the ship’s cables to increase the force of the work. The absence of metal elements in the piece, appearing only in the ring fixing the sheave to the bolt, enabled archaeologists to estimate a probable date of before the 20th century.Salto de línea This was probably a pailebot (two-masted schooner), very common in cabotage trade on the coasts of south-east Spain throughout the 19th century. Salto de línea