| 1931 GREIST MFG CO Thread Cutter Patent Print |
| 1931 FREDERICK WESTPHAL BRO Thread Tensioner Lubricator |
| 1931 REECE Thread Trimmer Sewing Machines Art |
| 1931 SINGER MFG CO Thread Feeding Mechanism Art |
| 1931 SINGER CO Thread Cutting Mechanism Sewing Machines |
| 1931 UNION Thread Controlling Mechanism Sewing Machines |
| 1931 PIERCE Thread Pull Up Sewing Machines Art |
| 1931 JOHN Thread Trimmer For Sewing Machines Art |
| 1931 WEST END THREAD Sewing Machine Shuttle Art |
| 1931 MUELLER Needle Thread Controlling Mechanism |
| 1931 ROBERTS Thread Swelling Tool Patent 9903 |
| 1931 ALLEN Thread Feeding Mechanism Patent Print |
| 1931 SCHUMANN Thread Lubricator Patent Print Art |
| 1931 BEMIS BRO BAG CO Thread Pull Up Sewing Machines |
| 1931 WALTER Thread Loop Cutting Device Patent |
| 1931 ORESTO BALZANO Thread Cutter Patent Print |
| 1931 WOOLSEY Thread Cutter Sewing Machines Art |
| 1931 SAMUEL Thread Tensioner And Lubricator Art |
| 1931 TRESNER RAYMOND Thread Cutter Patent Print |
| 1931 SINGER CO Thread Loop Cutting Art Print |
| 1931 ALLEN Thread Cutting Mechanism Sewing Machines |
| 1931 VALERIO Spool Holder Spools Thread Patent 31609 |
| 1931 DICKEY Multicolor Thread Sewing Machine Art |
| 1931 LEWIS Needle Thread Controlling Mechanism |
| 1931- COATS & CLARK'S Thread - SPOOL PET - Bob Bunny |