Linda Ridgway isn’t generally thought of as an installation artist, but this exhibit of three-dimensional objects worked so well as a unit that one almost hated to think of its component parts removed from each other’s company. Though Ridgway’s abstractions function as autonomous works, here she positioned them to heighten their theatrical interaction: they sat resolutely on the floor, hung purposefully from walls, or dropped delicately from the ceiling. Indeed, her materials—bronze, wood, hemp, wax, cement, and hydrastone (finished with a broad spectrum of surface treatments and patinas)—were