Free Westinghouse Sewing Machine Serial Numbers
In this amazing story of high stakes competition between two titans, Richard Moran shows how the electric chair developed not out of the desire to be more humane but through an effort by one nineteenth-century electric company to discredit the other. In 1882, Thomas Edison ushered in the “age of electricity” when he illuminated Manhattan’s Pearl Street with his direct current (DC) system. Six years later, George Westinghouse lit up Buffalo with his less expensive alternating current (AC).
Quick Answer. The average cost of a Free-Westinghouse electric sewing machine depends on the year it was manufactured and the current condition of the machine.

Antique Free Westinghouse Sewing Machine
The Free-Westinghouse electric sewing machines were in most cases manufactured between 1879 and 1955 in the United States by Westinghouse Electric, a power company. The older the machine and the better the condition is, the higher the value is likely to be. If the machine is in a workable condition, then the value will certainly. I recently acquired a vintage sewing machine that is branded Free-Westinghouse. I have been searching online for hours and I have not been able to. Free-Westinghouse Vintage Sewing Machine - Help finding more information. I cannot locate anything other than the '4003' that could be a serial number. I would love to find more information.