Revision history of "Singer machine 69-22 cylinder bed lock stitch for sewing marking tags on laundry articles, by Archibald Tregaskis. Form 9663, Oct" (Q10977)
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.