Singer 31-18 Sewing machine
have one needle and an
oscillating shuttle and are designed for stitching shoes and other
articles of leather. They are equipped with knee lifters and
roller pressers and have oil cups for Tubricating the thread.
have a drop feed and Machine 31-18
has a wheel feed. These machines have a clear space of 10.25
inches at the right of the needle.
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2023 03 03