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Singer Model 15 sewing machine (likely a 15-88 or closely related electric variant), manufactured at the Elizabethport factory in New Jersey, USA, in early 1948.
Serial number: AH378601
This falls in the AH-series block AH 378571–413570, which was allotted on January 5, 1948, exclusively for Model 15 machines at Elizabethport.
Full-size black Japan-finished head with simple gold floral/scroll border decals on the bed.
• Gold “THE SINGER MANFG. CO.” badge on the pillar.
• Lever-style stitch-length regulator (numbered 6–30 stitches per inch).
• Side-mounted Singer electric motor (Catalog B.R. 8S / Simanco, 110–120 V, 0.5 Amp, AC/DC compatible) — a common factory or period motor for these machines.
• Overall silhouette, faceplate, and bed shape typical of the long-running Class 15 (oscillating hook, drop-in bobbin style).
The Model 15 was one of Singer’s most popular and longest-produced domestic machines (produced in many variants from the late 1800s into the 1950s). Post-war examples like this one are solid, reliable straight-stitch machines.