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Scientific American, Vol. 55, No. 16 (1886) (1886)

leaf 3

An illustration from Scientific American, Vol. 55, No. 16 (1886), 1886, leaf 3
in the en- graving. The instrument is used for obtaining the tributer on the front furnishes an extra supply to more length of rafters—forjinstance, fora building 8 feet wide effectually wash out the —by placing a square on the graduation, 0, at 4 feet, sand. Z 8 ng Each edge of the rubber fH which… … and continuous, the belt can be run faster than in those machines paving a vibrating movement, while the square touches one of the lines, d, on the board, it washes the sand away the distance from there to zero indicates the length of quicker and saves lighter the common rafter; and by following…

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