The 1920 Singer Sewing Machine is a classic treadle-operated sewing machine featuring cast iron construction, ornate decals, vibrating shuttle mechanism, straight stitch capability, manual tension control, reverse stitching function, and built-in bobbin winder. Powered by foot treadle with handwheel operation. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Cast iron body with ornate decals, treadle base, vibrating shuttle, tension discs, presser foot, handwheel, bobbin winder.
| Feature | Description |
|---|---|
| Treadle operation | Foot-powered operation with iron treadle |
| Vibrating shuttle | Classic shuttle mechanism for bobbin thread |
| Handwheel | Manual control of needle position |
| Tension control | Adjustable thread tension discs |
| Presser foot | Holds fabric in place during stitching |
| Bobbin winder | Built-in bobbin winding mechanism |
| Reverse lever | Allows backward stitching for securing seams |
| Stitch length control | Adjustable stitch length dial |
| Decorative decals | Ornate gold and black decorative patterns |
| Carrying handle | Wooden handle for transport |
Unpack and inspect contents. Place on stable, level surface.
WARNING! Machine is heavy; lift with care using proper technique. Ensure all connections are secure.
Prepare machine for sewing; follow step-by-step instructions.
CAUTION! Keep fingers away from moving needle. Always turn handwheel toward you.
Access controls via front and side panels. Tension Control: Turn clockwise to increase, counterclockwise to decrease tension.
Stitch Length: Adjust dial for shorter or longer stitches. Presser Foot: Lift lever to raise, lower to engage fabric. Reverse: Engage lever for backward stitching.
Tension: Adjust for different fabric weights (light to heavy). Stitch Length: 6-20 stitches per inch. Presser Foot Pressure: Fixed pressure suitable for most fabrics.
Upper Threading: Spool pin to tension discs, through take-up lever, to needle.
Lower Threading: Wind bobbin, insert in shuttle, pull thread through slot.
Basic straight stitch operation with fabric guidance.
WARNING! Never force fabric; let feed dogs move material naturally.
Regular oiling required for smooth operation. Use only sewing machine oil.
CAUTION! Use only sewing machine oil; other oils may damage mechanism.
Clean with soft brush and cloth only. Wipe decals gently to preserve finish.
DO: Use soft brush for lint removal. Wipe with dry cloth. Store in dry location.
DON'T: Use water or cleaning fluids. Scrub decals. Expose to moisture.
The 1920 Singer sewing machine represents early 20th century manufacturing excellence. These machines were built for durability and precision, featuring the classic vibrating shuttle mechanism that made Singer famous. Original models included ornate decals that varied by year and model. These machines were designed for lifetime use and many remain operational today with proper maintenance.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread breaking | Incorrect tension/rough spots | Adjust tension; check for burrs on needle plate |
| Skipped stitches | Dull/bent needle | Replace needle; ensure proper insertion |
| Uneven stitches | Tension imbalance | Balance upper and lower thread tension |
| Machine hard to turn | Lack of oil/lint buildup | Oil all points; clean shuttle area |
| Thread bunching | Incorrect bobbin threading | Re-thread bobbin; check shuttle placement |
Professional Service: Contact antique sewing machine specialist for major repairs.
Parts Source: Antique sewing machine dealers or online vintage parts suppliers.