Finally found some time to dig through one of my older text books. This is actually the second printing of the first edition. I used to work with later, updated editions of this book during my studies. The parts dealing with loopwheel and sinkerwheel machines got edited out in the later editions as the use of these machines became less important. Here we go into the different role the sinker plays in sinkerwheel machines and loopwheel machines. A little history lesson on the classifica
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