A sculpture in daylight and cool white fluorescent light by Dan Flavin, titled alternate diagonals of March 2, 1964 (to Don Judd), dated 1964.

Dan Flavin 

alternate diagonals of March 2, 1964 (to Don Judd)

, 1964

Daylight and cool white fluorescent light

12 ft. (366 cm) long on the diagonal

Photo by Florian Holzherr 
© Stephen Flavin/Artists Rights Society (ARS), New York

A sculpture in daylight and cool white fluorescent light by Dan Flavin, titled alternate diagonals of March 2, 1964 (to Don Judd), dated 1964.