Singer 221 Featherweight sewing machine accompanied by a specific, and sometimes rare, motor catalog number or a service/instruction manual. The 221 Featherweight is a highly desirable, portable sewing machine manufactured between 1933 and 1968, known for its ability to produce a perfect straight stitch.
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Here are the key details surrounding these machines:
Key Features of the Singer Featherweight 221
Portability: Weighing only 11 pounds, 1 ounce, it was designed for transport.
Functionality: It is a straight-stitch-only machine, widely prized by quilters.
Components: Early models (1933–1935) feature a "split base" and a front-mount bobbin winder.
Value: Generally valued between $400–$500, though rare models or those in pristine condition can command higher prices.
Centennial Models: Many machines produced around 1951 feature a special "Centennial" badge.
The Singer Featherweight Shop
The Singer Featherweight Shop
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The "3-121" Identifier
Motor Catalog: Similar to the 3-110 motor found on some models, the 3-121/3-120 likely refers to a specific Simanco (Singer Manufacturing Company) USA motor variant, often 110-volt.
Service Manual: A "Singer 121 User Manual" exists for servicing these machines.
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Notable Variations
Blackside (1941/1945): Very rare due to restricted metal during WWII, featuring blackened metal parts.
221K/221J: "K" typically indicates production in Kilbowie, Scotland (often 1949–1950s).
White/Green/Pink: Later, non-black models were produced.
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Maintenance & Parts
Common Accessories: Original cases (often Type III) included a ruffler, narrow hemmer, adjustable hemmer, shirrer, binder, and edge stitcher.
Parts Availability: Bobbins, motors, and replacement parts are widely available through specialty shops like The Featherweight Shop.
The Singer Featherweight Shop
The Singer Featherweight Shop
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If you are looking at a specific machine listed as 3-121, it is likely a standard 221 Featherweight in a black or white finish, with the 3-121 referring to a component or manual catalog number.