Vintage ORIGINAL INSTRUCTION MANUAL for SINGER SEWING MACHINE MODEL 15-91 1954

Original Singer Sewing Machine Company instruction booklet for the Model 15-91 Electric Sewing Machine. Copyright years: 1950, 1951, and 1954 Form 20528 Rev. (654) — printed in the U.S.A. Softcover, 64 pages Includes detailed instructions, diagrams, and index covering threading, tension, motor lubrication, attachments, and more Vintage mid-century design with Singer's classic red "S" logo Condition: Pre-owned vintage condition. Shows some age discoloration, corner wear, and light spotting consistent with age and use. All pages intact and legible. No major tears or markings noted. This is an authentic period original, not a reprint, perfect for collectors, sewing enthusiasts, or owners of a Singer 15-91 machine wanting the correct manual. Singer 15-91 manual, vintage sewing guide, mid century sewing, Singer sewing ephemera, antique sewing machine booklet, collectible manual, 1950s sewing, retro crafts, sewing instruction book