Chicago : [Popular Engineering Pub. Co.] · leaf 416
an the length of the bore plus the width of the tight narrow pulley (I), and the wide pulley (J) which is fastened to a shaft driven by a pulley (I). The pulleys should be of such diameters that with the greatest diameter of belt from the pulley of the foot power to the bore, the cutting speed in… … f (J); by belt it is then transmitted to the narrow pulley (I). Since this narrow pulley (I) is fastened to the shaft, the shaft carrying the tool revolves, turning the tool with it. If the nuts (H) are now screwed up, the strip (F) will move Grind out Gr/ndout' forward and the tool will cut any…
Electricity
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-663-459.webp)
