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Modern Treadle Sewing Machine

We have Modern Treadle Sewing Machine,When electric motors were invented, the exact same machines were retrofitted, replacing the treadle and flywheel with a motor. in this cutaway view of a modern sewing machine, we see the major power components. the motor 1 provides the electrical power, which is transmitted to the upper pulley 2 by a belt, which is shown in black. the upper ...

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