Singer 52w19, 52w21 and 52w22 Sewing Machines Instructions Manual gives two types of important information to users, namely instructions for using and adjusting Singer Sewing Machines and instructions for adjusters and machinists. Additionally, this manual also describe about machine 52w19, 52w21 and 52w22.
Machines 52w19, 52w21 and 52w22 Sewing Machines each have two needles and two belt driven rotary sewing hooks and make the lock stitch. The post bed of these machines adapts them for stitching shoes and other articles of light and medium weight leather, or for other work which is difficult to handle on a flat bed or cylinder bed machine. The post is 7 inches high and its top surface is 1-7/8 by 3-1/2 inches.
Download: Singer 52w19, 52w21 and 52w22 Sewing Machines Instructions Manual.pdf - (0.6 MB, 12 pages)