ArtworkUntitledSign in to saveRobert Irwin — 1968 — Acrylic and cellulose nitrate lacquer on aluminum and lightArtwork · Museum of Modern ArtAcrylic and cellulose nitrate lacquer on aluminum and lightArtistRobert IrwinMediumAcrylic and cellulose nitrate lacquer on aluminum and lightView at Museum of Modern Art · Open Access