The Singer 221K was the same machine without the tubular bed, it also had the lift up fabric table like the 222K Both the 222K and 221K were tiny machines known as the original Singer Featherweight machines.The light aluminium frame was only 9-3/4" wide, even with the fabric rest down it still was only 14-1/2"....!
I'm sure its still the smallest adult sewing machine ever produced.
Its manufacturing year was 1955 to 1964 The Singer 66K is the large version of the Singer 99K.
If your sewing machine does not have a model number, but has a serial number similar in location to the image above, use the images below to help identify the sewing machine model number.
The Singer 99k sewing machine is small in size measuring only 12-1/2" wide, this image shows an early version the 99K (99K21 - 26) made between 1924 to 1954. The stitch length was adjusted via a screw and the machine did not stitch backwards.
Here the image shows a lovely 66K about 1920, originally may have been hand, electric or treadle operated.
It was manufactured between 1907 to 1920 the early machines were only Black and Gold with no colour.Singer Model 221 and 222 Featherweight Sewing Machines are considered the perfect vintage portable sewing machines by antique collectors, quilters and seamstresses.These vintage sewing machines are a hot item for both buyers and sellers and refurbished, working machines in good condition are selling for 0 to 0 online.While the majority of early 20th century, vintage Singer sewing machines are valuable as decorative items only, the early Singer models mentioned above still hold value as collectible antiques.The good thing about restoring a Singer sewing machine is that the company is still around and replacement parts for antique Singer sewing machines are still available through the company.Later versions 99K31 had a stitch length up-down lever with reverse stitch and numbered tension dial - Year 1955 The Singer 15K is always recognised by its tension unit being on the left face of the machine.