Claviatur-Contrafagott

Claviatur-Contrafagott (Ger.), contrabassoon designed by Carl Wilhelm Moritz of Berlin in 1845, with a small keyboard of 15 keys, similar to those of a piano. It was patented on Oct. 24, 1856, a year after his death. No specimen has survived (89 Langwill). Grove's Dictionary of Music and Musicians, 5th edition. London, 1954.