Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 826
ing two chain-stitch machines attached to a base,one being adjustable in relation to the other, so that thewidth between seams can be varied from 2:V to 16 in.,and the length of stitch from 8 to 30 to the inch. An-other form of two-needle machine, made by the SingerCo., called the three-stitch…
Mechanical engineering
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