incised with the artist's signature, title and date "WNYR No 13 TINGUELY 62" upper right; incised with the artist's signature, inscription and date "TINGUELY NY 62" on the reverse

acrylic, radio parts and electric motor

15 1/2 x 15 x 5 1/2 in. (39.4 x 38.1 x 14 cm)

Executed in 1962.