Double clarinet might refer to an organ stop, also known as the bass clarinet or bass clarionet.
In the dying years of the 19th century and on into the early 20th, a number of further organ stops were added according to the preferences of the time.
This specialized organ stop, was donated to Chautauqua Institution by Rueckert, in memory of his grandparents and his college project.
Tuba Mirabilis (organ stop), a particularly powerful reed stop on high pressure wind.
There is also a common organ stop called "cromorne".
There is a gemshorn organ stop, modeled after this instrument.
In organs "Violone" is the name given to a soft organ stop made of metal or wood, usually in the pedals.
(heavenly voice) is an organ stop consisting of either one or two ranks of pipes slightly out of tune.
The trompette militaire is a loud majestic sounding organ stop, with brassy, penetrating tone.
A mixture is an organ stop, usually of principal tone quality, that contains multiple ranks of pipes.