American School of Correspondence · Chicago, American school of correspondence · leaf 322
lots at AA, for securingthe holder to the ring rail, andtwo lugs at BB for fastening thering to the holder. The slotspermit the holder to be adjustedso the ring can be set concentricwith the spindle. A square holder is shown inFig. 206. This one has also two slots, AA, for fastening it to the rail… … Fig. 205. Oval Plate Holder and Ring. 285 244 COTTON SPINNING
Textile industry and fabrics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
