Shoe lasted and ready to have welt sewed on. 佚名.神奇的知识之书.
This sewed a welt to an upper, which welt in a subsequent operation was sewed by an external row of stitches to the sole. Edward W. Byrn.十九世纪发明进展.
To meet these difficulties, a new machine known as the Goodyear Welt Machine, was patented in 1871 and 1875, and brought out a little later. Edward W. Byrn.十九世纪发明进展.
The shoe is now ready to receive the welt, a narrow strip of prepared leather which is sewed along the edge of the shoe and holds all its parts firmly together. 佚名.神奇的知识之书.