Singer 401A
E606626
The Singer 401A is a mid-20th-century, heavy-duty, all-metal sewing machine prized for its durability, smooth operation, and versatile built-in stitch patterns.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Singer 400 series | 1 |
| Singer 401A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6628632 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Singer 401A Context triple: [Singer Sewing Machine Company, notableProduct, Singer 401A]
-
A.
Mackie
Mackie is the surname of American rapper Remy Ma, known for her influential role in East Coast hip hop and appearances on reality television.
-
B.
Pioneer ACO Model
The Pioneer ACO Model was an early Medicare initiative that tested more advanced, risk-bearing payment arrangements for high-performing Accountable Care Organizations to improve care quality while reducing costs.
-
C.
Denon Wing
Denon Wing is one of the main wings of the Louvre Museum in Paris, housing many of its most famous artworks, including Leonardo da Vinci’s Mona Lisa.
-
D.
Harmonizer
Harmonizer is a 2021 studio album by American garage rock musician Ty Segall, noted for its heavier, synth-laced sound and experimental production.
-
E.
Stromberg
Stromberg is a German-origin surname borne by various notable individuals across fields such as film, sports, and politics.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Singer 401A Target entity description: The Singer 401A is a mid-20th-century, heavy-duty, all-metal sewing machine prized for its durability, smooth operation, and versatile built-in stitch patterns.
-
A.
Mackie
Mackie is the surname of American rapper Remy Ma, known for her influential role in East Coast hip hop and appearances on reality television.
-
B.
Pioneer ACO Model
The Pioneer ACO Model was an early Medicare initiative that tested more advanced, risk-bearing payment arrangements for high-performing Accountable Care Organizations to improve care quality while reducing costs.
-
C.
Denon Wing
Denon Wing is one of the main wings of the Louvre Museum in Paris, housing many of its most famous artworks, including Leonardo da Vinci’s Mona Lisa.
-
D.
Harmonizer
Harmonizer is a 2021 studio album by American garage rock musician Ty Segall, noted for its heavier, synth-laced sound and experimental production.
-
E.
Stromberg
Stromberg is a German-origin surname borne by various notable individuals across fields such as film, sports, and politics.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
household appliance
ⓘ
sewing machine ⓘ |
| approximateReleaseDecade | 1950s ⓘ |
| bobbinSystem | front-loading bobbin ⓘ |
| buildType | heavy-duty ⓘ |
| category | vintage sewing machine ⓘ |
| chassisStyle | flatbed sewing machine ⓘ |
| collectibility | sought after by vintage sewing enthusiasts ⓘ |
| compatibleWith | low-shank sewing machine presser feet ⓘ |
| construction | all-metal ⓘ |
| controlType | analog controls ⓘ |
| currentUse |
often restored and refurbished
ⓘ
still commonly used by hobby sewists ⓘ |
| designGoal |
high durability for home use
ⓘ
smooth, low-vibration operation ⓘ versatile stitch selection without external cams ⓘ |
| electronicComponents | no computerized controls ⓘ |
| feature |
adjustable stitch length
ⓘ
adjustable stitch width ⓘ built-in decorative stitches ⓘ built-in utility stitches ⓘ camless stitch pattern system ⓘ drop feed for free-motion sewing ⓘ front-mounted controls ⓘ internal motor (in most configurations) ⓘ reverse stitching lever ⓘ straight stitch capability ⓘ top-mounted spool pins ⓘ zigzag stitch capability ⓘ |
| maintenance | user-oilable ⓘ |
| manufacturer | Singer ⓘ |
| market | domestic sewing market ⓘ |
| material | cast metal body ⓘ |
| mechanismType | mechanical sewing machine ⓘ |
| modelNumber | 401A ⓘ |
| notableFor |
durability
ⓘ
smooth operation ⓘ versatile built-in stitch patterns ⓘ |
| powerSource | electric motor ⓘ |
| productionEra | mid-20th century ⓘ |
| productLine |
Singer 400 series
ⓘ
linked to:
Singer 401A
|
| regionPopularity | North America ⓘ |
| reputation |
long-lasting mechanical design
ⓘ
reliable vintage sewing machine ⓘ |
| status | discontinued model ⓘ |
| typicalUse |
garment construction
ⓘ
home sewing ⓘ light upholstery work ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Singer 401A Description of subject: The Singer 401A is a mid-20th-century, heavy-duty, all-metal sewing machine prized for its durability, smooth operation, and versatile built-in stitch patterns.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Singer 401A