The Deschutes Historical Museum is located in the historic Reid School in Bend, Oregon. One of the old second-floor classrooms includes a display of clothing.
According to the Museum display:
“Bustles of various styles were fashionable off and on from the 1790s until the 1890s. this 1890s bustle dress created a curve in the back that was mean to offset the curve of the bust in front. It would have been worn for special occasions or to church on Sunday.”