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

leaf 3

An illustration from Scientific American, Vol. 55, No. 16 (October 1886), 1886, leaf 3
rail for any purpose, the recess in the tributer on the front furnishes an extra supply to more length of rafters—forjinstance, for a building 8 feet wide effectually wash out the —by placing a square on the graduation, 6, at 4 feet, sand. ■which is the distance from the center of the building Each… … and continuous, the belt CONLEE'S INSTBVUENT FOB OBTAINING LENGTHS can be run faster than in ANB BEVELS OF BAFTEBS. those machines Jjaving 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…

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