This is the pattern cam mechanism and stitch-width control in the Singer 403a. The cam is the black disk at right. A cam follower traces the pattern on... | By Dr. Dave's
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Nagoya City Science Museum Website | Exhibition Guide | Keyword Search | S | sewing machine | Sewing Machine
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Materials | Free Full-Text | Studies on Wear of a Milling Chuck for a Production Line of Specialized Elements Used in Lockstitch Machines
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