This instruction booklet/manual for the Singer Electric Sewing Machine Model 15-91 is a rare vintage original piece from the United States. It is a valuable collectible for sewing enthusiasts and collectors of Singer machinery. The manual provides detailed instructions and diagrams for operating and maintaining the Singer Model 15-91 sewing machine, making it a must-have for those looking to learn more about this specific model or to add to their collection of sewing memorabilia.
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