pulley
Isaac Kremer/ January 14, 2018/ / 0 comments
In architectural practice, the simplest form of wheel with a grooved or hollowed surface; used especially to receive the cord or chain which supports at one end the counterpoise of a vertically sliding sash, and is secured at the other end to the sash itself. (Sturgis, 1900) Photo from The Henry Ford, Dearborn, Michigan, 2025.