Sonambient, c. 1970s   
nickel alloy with bronze base
52 x 11 3/4 x 11 3/4 inches;  132 x 30 x 30 centimeters
LSFA# 12414

Tonal Sculpture, circa 1970   
Beryllium copper
34 x 8 x 8 inches;  86.4 x 20.3 x 20.3 centimeters
LSFA# 12992

Sonambient, circa 1970   
beryllium copper and brass
50 x 10 x 10 inches;  127 x 25.4 x 25.4 centimeters
LSFA# 12129