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Scientific American, Vol. 88, No. 1 (January 1903) (1903)

leaf 11

An illustration from Scientific American, Vol. 88, No. 1 (January 1903), 1903, leaf 11
he operator; this fact is quite important on straighten the damaged edges. these high-speed motors. The motor is water-cooled Formerly, when but a small number of in this case, and the large water tank with the pipes pieces had to be manipulated, this operation are seen on the left. Near it is the… … the maritime pine of Landes (which furnishes three- expense of operating that is quite small, since the Fig. 2 —ELECTRIC TRIMMING MACHINE. electric power employed is only 880 watts, 8 amperes, quarters of the paving blocks of Paris), northern spruce (which has the inconvenience of being costly),…

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