Machines of Class 11 have a cylinder bed and a drop feed, and are especially designed for stitching heavy tubular shaped articles in cloth or leather. They are used in the manufacture of mail bags, coal bags, ore bags, military boots and a great variety of similar articles. Some of the machines of Class 11 are intended for making grommet holes and overseaming or zig-zag stitching in heavy fabrics. Machine 11-33 is especially adapted for general work in canvas or leather. It is regularly fitted with alternating presser feet and feeds the work up the cylinder. The “SINGER” Driving Attachment is regularly furnished with this machine. This machine has a clear working space of 30 inches at the right of the needle. Fabrics up to λΛ inch in thickness can be sewn; the machine can be regularly adjusted to make stitches varying in length up to inch, as desired. ' Column Stand 14685 will be furnished, on order, at an additional charge.