Try Ebay.com or one of several online antique outlets such as tias
It is a Phoenix 250.
The difference between an electric sewing machine and a manual sewing machine is only the method of propulsion. The electric machine uses an electric motor, while the manual machine uses a hand crank or foot pump to power it. The actual sewing machine is the same.
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An electric sewing machine does it's work by using electricity to move the needle up and down, and rotate the bobbin. The mechanical parts of a manual sewing machine, had to be set in motion by turning a handle, or pedal. An electric sewing machine has an electric motor attached to these rotating parts, by belt or gearing and operated by a foot switch. This makes it less tiring on the arms or feet, you can keep sewing faster and longer.
how much is an antique Wilson roatary sewing machine
the westinghouse free electric sewing machine is $455
The "Unique" brand sewing machine was built by the Davis sewing machine company. If you have the bobbin, you should see Davis stamped on it in small letters.
G9730255 is not a complete serial number for an antique Singer sewing machine. The serial numbers always start with two letters, which are used to identify the year they were made.
This is highly unlikely since they aren't made like they used to be. The best idea is to find an antique sewing machine and modernize it yourself. It will take some money to bring it up-to-date, but is the best way to get an authentic sewing machine in today's world.
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Singer Sewing Company