Parry People Movers
Parry People Movers Ltd. (PPM) was a small British manufacturer of lightweight railcars that use flywheel energy storage for traction, allowing electric systems to operate without overhead wires or third rails.
Parry People Movers Ltd. (PPM) was a small British manufacturer of lightweight railcars that use flywheel energy storage for traction, allowing electric systems to operate without overhead wires or third rails.
Parry People Movers Ltd. (PPM) was a small British manufacturer of lightweight railcars that use flywheel energy storage for traction, allowing electric systems to operate without overhead wires or third rails.
Source: Wikipedia "Parry People Movers" · CC BY-SA 4.0
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