Stirling Engine Solar Fresnel Lens Powered Alpha Hot Air Motor Andy Ross GreenPowerScience

Stirling Engine Solar Fresnel Lens Powered Alpha Hot Air Motor Andy Ross GreenPowerScience

Stirling Engine Solar Fresnel Lens Powered Alpha Hot Air Motor Andy Ross GreenPowerScience

Stirling Engine Solar Fresnel Lens Powered Alpha Hot Air Motor Andy Ross GreenPowerScience

User: Leonie Sisson

Views: 1

Uploaded: 2015-04-23

Duration: 08:31

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