Dan Flavin 
three fluorescent tubes, 1963

Yellow and red fluorescent light on acrylic on Masonite and pine

49 x 10 x 6 1/2 in. (124 x 25.4 x 16.5 cm)

Accompanied by a drawing inscribed: “THREE FLUORESCENT TUBES/ (May 26, 1963 no.11)/ 4’ LONG 10” WIDE 6 1/2” DEEP/ DNF 9/15/64"