The constant air pressure needed to play the hydraulis was supplied by a blank

asked Jan 5, 2021 167k views

5 votes

by N P

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6 votes

Answer:

The reservoir was supplied with air by one or two pumps. For the pipes to sound evenly, the wind chest needed steady air pressure.Explanation:

I think

UditS answered Jan 7, 2021

by UditS

5.3k points

4 votes

Answer:

Hydraulic Pump

Step-by-step explanation:

AllisonC answered Jan 11, 2021

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