Revision history of "Instructions for using and adjusting Singer sewing machines 147-100, 147-101, 147-102, and 147-103 .... Form 18930, rev. Oct. 1950." (Q208646)
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.