List; One of our major piano makers in Canada was Mason & Risch. During WW2 they made disposable fuel tank for the fighter planes but after the day was over, the workers came back at night and made pianos on their own time. I can't verify this as I wasn' in the piano business at that time but it does make for an interesting story. I also understand the Link nickeleodian company made flight simulators using the player piano pneumatic system. Called the Link trainer. Regards, Ray
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