| Title | Electromagnetic Energy Field |
| Artist | Robert Barry |
| Date | 1968 |
| Institution | Walker Art Center |
| Image | Courtesy Walker Art Center |
| Rights | Copyright retained by the artist |
| Title | Electromagnetic Energy Field |
| View | alternate view |
| Artist | Robert Barry |
| Date | 1968 |
| Institution | Walker Art Center |
| Image | Courtesy Walker Art Center |
| Rights | Copyright retained by the artist |