The Mercury Electric Prods. MFG Corp. Sewing Machine Knee Peddle Cat. No. 704 is a vintage sewing machine part that serves as a knee pedal for controlling the speed and direction of the sewing machine. Made by the Mercury Electric Prods. MFG Corp., this antique knee pedal is a valuable and sought-after component for collectors and enthusiasts of historical sewing machines. Its unique design and functionality make it a desirable addition to any sewing machine restoration project.
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