Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 846
hanged by turning th<dant, it is brought hack again by a spring contained in the box or barrel V ; the action of tlcommunicated to the ring by a chain which winds off the barrel, passes between the pulleys D and W, and is attached to the ring at X. Hence, in whichever direction the ring is…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
