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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Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . ace of tlicnut being cam-shaped, to
![Nagoya City Science Museum Website | Exhibition Guide | Keyword Search | S | sewing machine | Sewing Machine Nagoya City Science Museum Website | Exhibition Guide | Keyword Search | S | sewing machine | Sewing Machine](http://www.ncsm.city.nagoya.jp/exhibit_files/output/S316-pic1-en.jpg)
Nagoya City Science Museum Website | Exhibition Guide | Keyword Search | S | sewing machine | Sewing Machine
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