Originally Posted by
greywuuf
Archaic, I was just going byit did not seem to be a "Short arm" ( like my 103 and some of the 70 and 90 series machines) and it does not have any weird extra bumps on the top near the thread spool. that and the 31-15 seems to be the most common.
And I was agreeing with you.
The industrials are a little harder to identify especially in a poor photo but the 31-15 is definitely the most common one I see here in Alberta as well.