Revision history of "Instructions for using and adjusting Singer sewing machines 71-141 and 71-142 for making straight button-holes. (Form 2087W. Rev. Oct. 1932)" (Q8129)

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.