Hydraulic jigger

A hydraulic jigger is a hydraulically-powered mechanical winch. From the mid-19th century, hydraulic power became available throughout the increasingly modern dockyards and warehouses.

Source: Wikipedia — Hydraulic jigger (CC BY-SA 4.0)

Hydraulic jigger

A hydraulic jigger is a hydraulically-powered mechanical winch. From the mid-19th century, hydraulic power became available throughout the increasingly modern dockyards and warehouses.

Source: Wikipedia "Hydraulic jigger" · CC BY-SA 4.0

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