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 567
h the latter, orturned loose, as is com-mon in sewing machines—the wheel being dis-connected fi-om the shaftwhen winding bobbins,iliis is accoinplished by a1 urn of a thumb-nut at theHar end of the machine.By unscrewing this nutentirely, t ii e armaturemay be slid out complete-ly, so tliat it may… … nt j-luir.-e-power motor. signed by Frank A. Perret is the lamination of the field magnet, which is built up out ofthin plates (it soft charcoal iron, stamped ._,..™ directly into their finished form, and clampedtooether by bolts in such a manner as tosecure great mechanical strength. The ar-mature…
Mechanical engineering
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