Where your Singer has two serial numbers always choose the larger of the two to date your machine Singer machine serial number dating Guide Please note this is only a guide, not gospel! For example during WW2 it is a well know fact the Singers were making guns and ismacs datings singer as well as sewing machines. During World War Two Singer had back orders for over three millions machines! Now to the dating All Singers up until have no letter prefix and came from several factories around the world.
Comparing serial numbers with known dates in Singer's production history is sometimes the only way of putting the company's machines in context. All the suggested serial numbers that mark a change are approximate. Examples given here are generally 12K machines however, the serial. The simple guide to dating your early Singer sewing machines. (Where your Singer has two serial numbers always choose the larger of the two to date your. Find out when your Singer, A, A,, A and A was really the Sewing Machine Blue Book and ISMACS (International Sewing Machine.