Fresnel Lens Solar Power Foundry Obsidian Farm 3800 ˚ F 2100˚ C Fresnel Optics greenpowerscience

Solar fresnel Lens.The solar tracker keeps our lens power on target for 8 hours a day enabling Fresnel build temperatures exceeding http://greenpowerscience.com 2100˚ Celsius, a new personal record. Just wait till big Daddy gets the same mount:-) The Fresnel lens history is here:    • Best Stirling Engine Free Energy from the ...