Which of what? You need to list items in order for anyone to be able to answer the question.
The instruments most similar to a pipe organ are:Flute (pipe organ has flute pipes of different lengths)Harmonium
bagpipe
harmonium
Harmonium :)
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The pipe organ was invented by the Greek Ctesibius.
The pipe organ is a keyboard instrument.
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.
Moe Pipe Organ Company was created in 1991.
The keyboard instrument with pipes would be the humble pipe organ.