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Scientific American, Vol. 18, No. 4 (1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 18, No. 4 (1868), 1868, leaf 7
kes the cut and then as it to. be measured is placed in ing its upward or non-cutting stroke. Where the saw, as is begins to rise recedes from the cut and rises where all is clear. the opening inthe stand- The forward or increasing cut of the saw is another advan- usual, traverses, in upward as… … the objects of which are to protect the teeth from the direct tainly; don’t you admire its beauty? Gravitation, and one pendicular line, the teeth wear against the edge of the saw action of the fire and the oxidizing influence of the air; to or two of nature’s simplest laws, are working in concert,…

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