This is a German version of the French design, first developed by Roller et Blanchet, and later copied by other French makers, including Soufléto. It was built by Heinrich Roloff, probably in the 1830s to 1840; the serial number is 852. Because of its shape and the opening by the pedals, it is usually referred to as a “dog kennel” upright. The factory was in Neubrandenburg, Germany. We know of two similar Roloff Dog Kennel pianos. One, with serial number 361, is in Frankfurt, Germany in the Bezirksmuseum. The other, with serial number 1167, is in Bydgoszcz, Poland at the Filharmonia Pomorska.