A bellows is an air pump . A pump organ would have a bellows . A poet might conceivably use bellows as a figure of speech to stand for a pump organ.
A barrel organ is a musical instrument in which air from a bellows is admitted to a set of pipes via means of pins inserted into a revolving barrel.
There is no set person who is responsible for maintaining a church organ. However, one can assume that the church organist, the reverend or janitorial staff maintains the church organ. It is different for every church and there is no definite answer.
The church organ
The bellows on a CV joint is the rubber boot that covers the joint keeping dirt and water out, grease in.
organ loft
A church organ
a cylinder organ work
I did!
A barrel organ was a cranked box instrument with a number of organ pipes, a bellows and a barrel with pins that rotated and programmed the tunes.
A synonym for calliope is organ or church/steam organ.
Many composers of that day had clavichords or harpsichords where they lived. Practicing an organ piece (sans pedals) on the piano can be very beneficial. At other times, Bach (and others of his day) would practice at their church, provided of course that they had assistants to keep the bellows going.
Church