Installation view, Sculpture, Paula Cooper Gallery, 155 Wooster Street, New York, © Robert Grosvenor. Courtesy Paula Cooper Gallery, New York. Photo: Geoffrey Clements. 

Robert Grosvenor
"Untitled" 1994
Fiberglass, steel, plastic pipe, shrink wrap, sheet metal, wood, paint
38" x 167" diameter

Robert Grosvenor
"Untitled" 1995-96
Slate, brick, mortar, wood, wheels
15 1/4" x 173" x 90 3/4"
Sheet metal, welded steel, paint
45 1/4" x 118 1/4" x 19 1/2"
Overall: 45 1/4" x 173" x 163"