Dating your singer machine
06/11/37 *****transitional production run 221__ AE 77-79 ….. 05/24/38 *****transitional production run 221__ AF 07-09 ….. 08/15/40 *****transitional production run 221__ AF 74-76 ….. Singer kept records for their production runs, and you can go to their website to find out when the serial number for your Featherweight was assigned by matching up the serial number on your machine with the corresponding year on their chart.
There may be cases where your serial number does not fall within a Featherweight production range and may be listed under a different model number machine, such as a Model 15.
10/14/53 *****transitional production run 221__ AL 68-73 …..
Several years ago, I was given an antique Singer treadle sewing machine that has been passed down through my family for a few generations.
Nearly all 221 and 222 Singer Featherweights sew well or, with minor "tune ups", can be adjusted to sew well. But the important question is "How good does it look?
Singer 221and 222 Featherweights are very reliable and very straightforward to maintain. " The phrase "It looks good given its age" doesn't cut it when it comes to Singer Featherweight 221 or 222 sewing machines.