Patent for a machine for tufting mattresses "whereby the tufts or washers are periodically fed to and affixed upon the feed-wheels between which the mattresses is intermittently advanced and compressed, said tufts being placed upon the mattress by the periodical fractional revolution of the feed-wheels and secured by stitching the entire transverse series of tufts by the automatic action of a series of needles, and a lower corresponding series of knotter-heads and devices co-operating therewith" (lines 11-21).