This rope and pulley system for windows was the “absolute best system that was ever invented,” according to Mike York, the owner of Ocean Sash & Door Company, a more than 140-year-old window ...

Another common way to restore old windows is replacing the sash cords. Connected to weights that sit in cavities on each side ...

Weight and Pulley System. Illustration adapted from "Working Windows: A Guide to the Repair and Restoration of Wood Windows"; Chronicle graphic by Todd Trumbull ...