. Handbook of shoe factory engineering .. . ; 1-^ inches diameter for Upper Fitting Room. Sells Roller Bearings for shafting, reducing frictional load to a , 10 to 12 inch dropSpeed of shafting: 300 R. P. M. except in Upper Fitting Room350 R. P. M. Upper Fitting RoomSteel Pressed Pulleys are most satisfactoryTransmission for Upper Fitting Room:Link Silent Chain BeltSpartan V BeltsDust Collecting System: Slow speed, high pressure is most economicalLocation: outside of building if possible20-22 Gauge PipingCost of Installation: $30-$40 for every dust making machine, exclusive ofmo

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. Handbook of shoe factory engineering .. . ; 1-^ inches diameter for Upper Fitting Room. Sells Roller Bearings for shafting, reducing frictional load to a , 10 to 12 inch dropSpeed of shafting: 300 R. P. M. except in Upper Fitting Room350 R. P. M. Upper Fitting RoomSteel Pressed Pulleys are most satisfactoryTransmission for Upper Fitting Room:Link Silent Chain BeltSpartan V BeltsDust Collecting System: Slow speed, high pressure is most economicalLocation: outside of building if possible20-22 Gauge PipingCost of Installation: $30-$40 for every dust making machine, exclusive ofmotors The kind of a Power Equipment that should be put in a shoefactory is a most important factor to consider. The generallyaccepted method of installation is with Short Drives and Elec-tric Motors. The old-fashioned method of Long Line Drivesbelted from floor to floor and then to the engine is no longermodern or efficient. On using the old Long Drives starting with large shaftingat the engine end and gradually working down to the small 18. 3 H. P. MOTOR REPLACING MULE STAND DRIVESPRINGFIELD SHOE WORKS

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