Tag Archives | Tinder

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That Fresnel Lens in Your Survival Kit

Today’s common Fresnel lens, and the one a Woodsman should carry, is a super-thin business card sized piece of plastic.  Based on the 1822 lens design by French physicist Augustin-Jean Fresnel, it was originally intended for lighthouses, hence it’s larger aperture, shorter focal length and much thinner design compared to conventional lenses. For a lighthouse, […]

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Tinder Bundle made from the inner bark of Tulip Tree (Yellow Poplar).  Click on photo to enlarge.

The Tinder Bundle

  For fire and its continuation (chain reaction) three components need to come together: heat, fuel and oxygen.  So many folks into Outdoor Living Skills focus on the ignition or heat source.  While obviously a critical component, the other two-thirds are equally important… So let’s put ugly on the table.  Can’t tell you how many […]

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