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Old 09-17-2011, 12:06 PM
Super Member
Join Date: Nov 2010
Posts: 2,771

"Singer did not keep records of actual serial number dates of manufacture for the 301 and 301A as they did with early Singer models. They only used a batch of Serial Numbers, NA-1951, NB-1956, NC-1961. What this means is we must gather our own information to come up with a serial number year of issue. With data I collected over the years from owners of the Singer 301, 301A, 401A, 403A, 500A and 503A I was able to create a year of issue of when our 301 and 301A was issued or manufactured."

got thisinformation from the attached link:
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