Burning With A Fresnel Lens And Sunshine

309 views · Published 1 October 2012 · 5:24 · Indexed 23 September 2026

Channel: Bill Gilmour · 2012 · Science & Technology

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I got this fresnel lens of about 100 square inches on sale. It was dirt cheap, so why not. It made quite a good burner while the sun was out.

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