Flötenwerk
Flötenwerk Ger.: 1. flue pipework; 2. small organ having flue pipes only, called organo di legno in 16th- and 17th-c. Italy; 3. in 15th-c. organs the Prinzipal and Hintersatz jointly. See also: flute, 2 and 3 (167). Rücker, Ingeborg. Die deutsche Orgel am Oberrhein um 1500. Freiburg i. Br. 1940.