Have DC power supply, bucket, and iron rods and you two can build your own Electrolysis rust remover.
http://www.homemadetools.net/forum/electrolysis-rust-removal-67148?homelistings#post109683
Have DC power supply, bucket, and iron rods and you two can build your own Electrolysis rust remover.
http://www.homemadetools.net/forum/electrolysis-rust-removal-67148?homelistings#post109683