the Singer Manufacturing Company.
Instructions for using and adjusting Singer sewing machines of class 16 (central bobbin) Form 7615, rev. (1148)
R621125. Instructions for using and adjusting Singer sewing machines of class 16 (central bobbin) Form 7615, rev. (1148) By the Singer Manufacturing Company. NM: new illus. & text. © 10Dec48; AA101854. The Singer Company (PWH); 15Dec75; R621125.
The Singer Company|PWH