Dating old singer machines
Another distinguishing feature of the 221K4 is it is the only featherwieght model that has R. Sorry I don't have any definitave information about which colors each of the models were painted. The explanation tells us that: the S was the particular assembly line on which the machine was put together the 8 indicates 1981 the 247 indicates the day of the year (Sept 4) the 053 indicates that it was the 53rd machine built that day.
They were first introduced in 1935 and continued in production up until 1961.The factory designation, if it was not made in the USA, followed the model number. There are other examples for the plants in Scotland and in Germany.It's probably the above system that the 0800 number uses to so-accurately date machines and why they are sometimes multiples of ten years wrong as the 1 in the second example could be 1951, 61, 71, 81 or 91. ---------------------------- Date: Wed, -0500 From: [email protected]: Singer serial numbers Graham: After looking at the serial numbers of over 300 Featherweights that are on the database, I can guarantee you that there are no encrypted build dates in the serial numbers.Writer and master craftsman Alex Askaroff has spent a lifetime in the sewing industry and is considered one of the foremost experts of pioneering machines and their inventors.
He has written extensively for trade magazines, radio, television, books and publications world wide.
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.