Simply put, a set of pipes. There can be as few as 12 and as many as 97. In "straight organs" the number of pipes corresponds to the number of keys but sometimes 12 pipes are added to the top end for an octave coupler. "unit organs will have extended ranks that can be played at different pitch levels, thus one will see 73, 85 and 97 pipe ranks. "Short ranks" are those of limited compass or those which repeat over the full compass of the keyboard.
The pipe organ was invented by the Greek Ctesibius.
The pipe organ is a keyboard instrument.
The instruments most similar to a pipe organ are:Flute (pipe organ has flute pipes of different lengths)Harmonium
Organ pipe coral was created in 1758.
There is none. The pipe organ was not invented. It developed in ancient times. However, there are thousands of patents concerning pipe organ parts.
Organ pipe cacti make no noise.
The keyboard instrument with pipes would be the humble pipe organ.
Organ pipe mud dauber was created in 1773.
Moe Pipe Organ Company was created in 1991.
Peragallo Pipe Organ Company was created in 1918.
The first pipe organ, called the hydraulis, was invented in Greece.
His main instrument was the pipe organ. He also played the harpsichord.