equalizing bellows

См. также в других словарях:

• equalizing and reinforcing ring — devices used on some expansion joints fitting snugly in the roots of the convolutions. The primary purpose of these devices is to reinforce the bellows against internal pressure. Equalizing rings are made of cast iron, carbon steel, stainless… …   Mechanics glossary

• Organ — • A musical instrument which consists of one or several sets of pipes, each pipe giving only one tone, and which is blown and played by mechanical means. Catholic Encyclopedia. Kevin Knight. 2006. Organ     Organ …   Catholic encyclopedia

• Player piano — The player piano is a self playing piano, containing a pneumatic mechanism that plays on the piano action pre programmed music via perforated paper rolls. The rise of the player piano grew with the rise of the mass produced piano in the house and …   Wikipedia

• harmonium — /hahr moh nee euhm/, n. an organlike keyboard instrument with small metal reeds and a pair of bellows operated by the player s feet. [1840 50; Latinization of Gk harmónion, neut. of harmónios HARMONIOUS] * * * or reed organ Free reed keyboard… …   Universalium