The American Scale is a 50 point rating scale designed to reflect the total value of Singer Featherweights. The scale is comprised of Intrinsic Value, Machine Condition, and Case/Accessory/Manual Condition.

Featherweight Repair Q & A addresses most of the problems that we have confronted in our own Featherweight repair shop.

The Two Digit Dating System is a convenient method for establishing the manufacture date of Singer Featherweights using just the first two digits of the serial number. Copyright @2007-2008 class221.com. All Rights Reserved. This material is for personal use only.

Never had there been a sewing machine that so captivated the imaginations of the American seamstress. From the introduction of the first Featherweight in the height of the Great Depression, through the age of the Centennial, to the Freearm era, Singer never gave up on the dream of producing the finest sewing possible. Understandably, the Singer Featherweight 221 is still highly prized today, more than 50 years after the last machine was produced at Elizabeth, New Jersey. The quality of the Featherweight 222K has not been duplicated.