Stadtbredimus – Lu

This article will, in addition to the organ of Stadtbredimus, deal with two patents, ‘a writing securing for a term of years the exclusive right to make, use, or sell an invention’, according to the Merriam-Webster dictionary.

Organ builders need to be inventive because nearly every instrument is unique and constantly in need of improvement. Also, stagnation ultimately means recession. The fewest organ builders, however, file a patent for their inventions.

Stephan Schumacher was one of the few who did. He filed a patent for his ‘valve containers for wind chests and relays in pipe organs’ in Luxembourg in 1952.

Nikki Loewen (1906-1982), builder of the organ of Stadtbredimus, made use of the invention in his instrument in 1957. Valves and containers consist of Bakelite, a pressed mass of phenol and formaldehyde.

Bakelite, named after its inventor, the Belgian L.H. Baekeland, is often viewed as the first duroplastic synthetic resin. It was registered with the patent office in 1907 as well.

In 2007-2008, the great organ’s and pedal’s wind chests were removed and completely reworked, the pipe works were repaired and re-voiced, and a new electronic circuit was installed for the key action.


I. Great Organ C-g3 II. Swell Organ C-g3 Pedal Organ C-f1
Bordun 16´ Flöte Subbaß 16´
Principal Salicional Oktavbaß
Gedeckt Aeoline Bordun
Gamba Lieblich Gedackt Flöte
Prestant Vox coelestis Posaune 16´
Flöte Rohrflöte Trompete
Quinte 2 2/3´ Waldflöte Clairon
Doublette Terzian 2-fach
Mixtur 3-fach 1 1/3´ Scharf 3-fach 1/2´
Trompete Krummhorn
Trompete Tremulant

Electro-pneumatic action, cone valve chests
Couplers: II/I – II/I super – II/II super – I/P – II/P
1 free combination, 4 fixed combinations
Register crescendo pedal
Off/on for couplers and tutti by toe piston