Foot Pedal Generator by Nicolas Howard at Coroflot.com
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Human Power Portable DC Generator – Pedal Power Generator
The short history of early pedal powered machines - LOW-TECH MAGAZINE
Human Power Portable DC Generator – Pedal Power Generator
Electric Pedals
Amazon.com: 50W/100W Pedal Generator Foot-operated Power Generation, Hand-cranked Generators, Fitness Power Generation Rehabilitation Training Device, Spinning Bike USB Interface/DC1-35V Output Interface : Everything Else
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Aluminum Foot powered generator 12V-24V 100W - CAMPER-POINT The Portal of Motorhomes and Trailers