| 1941 KARL Hydraulic Hoist Mechanism Patent Print |
| 1941 HIDSTITCH Blind Stitch Mechanism Art Print |
| 1941 DE SPAIN Sewing Mechanism Patent Print Art |
| 1941 ALDEN Axle Driven Mechanism Patent Print |
| 1941 MORSE Mechanism For Pianos Patent Print Art |
| 1941 MCCLISH Trip Mechanism Tail Gates Art Print |
| 1941 KLASING Hand Brake Mechanism Patent Print |
| 1941 RANSON WILLARD Brake Mechanism Patent Print |
| 1941 MERSEREAU Hand Brake Mechanism Patent Print |
| 1941 EINWAECHTER Buffer Mechanism Patent Print |
| 1941 GIULIO SOSSO Sear Mechanism Patent Print |
| 1941 HEIL CO Body Tilting Mechanism Patent Print |
| 1941 AVIS SAMUEL Sewing Mechanism Patent Print |
| 1941 GRUBER Body Tilting Mechanism Patent Print |
| 1941 BALDASSARE Switch Mechanism Patent Print |
| 1941 SMITH JOHN Trigger Mechanism Patent Print |
| 1941 ARVER Blind Stitch Mechanism Patent Print |
| 1941 JOHN Stitch Forming Mechanism Patent Print |
| 1941 ELLIOTT Preselector Mechanism Patent Print |
| 1941 FARMER CLYDE Brake Mechanism Patent Print |
| 1941 DUNCAN String Feed Mechanism Patent Print |
| 1941 BUDD WHEEL CO Brake Mechanism Patent Print |
| 1941 DOW Boat Steering Mechanism Patent Print |
| 1941 HARRY Golf Practice Mechanism Patent Print |
| 1941 HATHAWAY Register Mechanism Patent Print |
| 1941 WELD Warning Signal Mechanism Art Print |
| 1941 MCNEAL DONALD Brake Mechanism Patent Print |
| 1941 HEISE Boat Propelling Mechanism Art Print |
| 1941 HULL Electric Switch Mechanism Patent Print |