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Scientific American, Vol. 41, No. 6 (August 1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 41, No. 6 (August 1879), 1879, leaf 7
reen crystalline masses embedded in a light gray with a vertical bore corresponding to it so that the punch wood, each cut to the shape of the moulding, are placed up- is accurately guided, and supported at all right on a slab. The clay brick is placed points against lateral deflection The dif-… … the metal at the muzzle is about 5 inches Few people are aware that the proud TUCKER'S SAW GUMMER. boast of Englishmen that the sun never sets only, but at the breech end the cham- on the British Empire is equally applicable ber is surrounded with a wall of iron 2 to the United States. Instead of…

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