Pretty sure this fits on an older (!) type sewing machine, but does anyone know what it's called and what it was supposed to do? Embossed on it is "AMSO", "D.B.P." and stamped underneath "Made in Germany".
Its about 6" wide, 1.75" high, and 4.5" long.
Thanks in advance.
Its about 6" wide, 1.75" high, and 4.5" long.
Thanks in advance.