Bonnaz n. A kind of embroidery made with a complicated sewing machine, said to have been originally invented by a Frenchman of the name of Bonnaz. The work is done either in freehand or by following a perforated design.
... Machines—(seasonal to year round work, depending on kind and demand, wages good): Lace stitch, hemstitching, buttonhole, embroidery (hand and Bonnaz), ... — The Making of a Trade School • Mary Schenck Woolman