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“There were points on Papa Westray when we had to use a wind machine because it was too calm and sunny,” says Saoirse.

For practical reasons, the mechanical organ was designed, using an electronic wind machine to push air into the pipes, while sand bags press down the keys to create the drone-like sound.

Corteva researchers test the strength of new hybrids by exposing them to gusts of up to 160 kilometers per hour from a wind machine.

McMILLAN I turn on the wind machine.

The website did not give details about the run’s start date, location or cast, but said the production’s set would be “a loving recreation” of the chintzy West End design and even borrow its wind machine, which is used to create a storm.