A litmus test in chemistry is used to determine acidity; a lit-mesh test in lighting is used to determine light play factor. Really (even if Google disagrees). Lit-Mesh Test creates some amazing light patterns through its recycled stamped steel rectangles.
Hand-Forged Recycled Steel Mesh.
Finish: New Bronze
Dimensions: 18 in. W x 12 in. H
Item Weight: 7 lb.
Lamping: 3 x 100W Medium, Not Included