conservators using XRF on a 20th century sculpture  Art in L.A.
 

Left to Right: Lynn Lee, Rachel Rivenc and Wendy Lindsey (GCI) conducting in-situ analysis with a portable XRF instrument on Untitled, 1967, Larry Bell, during the exhibition Cross-Currents in LA Paintings and Sculpture, 1959-1970. Photo: Holly Brobst. © Larry Bell.