| 1942 RAUEN Transmission Mechanism Patent Print |
| 1942 MCCULLOUGH Clock Mechanism Patent Print Art |
| 1942 GAENSSLE PAUL Brake Mechanism Patent Print |
| 1942 RICHARD Gun Laying Mechanism Patent Print |
| 1942 JOYCE Fire Control Mechanism Patent Print |
| 1942 TURNOCK Transfer Mechanism Patent Print Art |
| 1942 GEORGE REX Chime Mechanism Patent Print Art |
| 1942 BUDD WHEEL CO Brake Mechanism Patent Print |
| 1942 ROEMER Trigger Mechanism Firearms Art Print |
| 1942 ALLEN JOSEPH Driving Mechanism Patent Print |
| 1942 JOYCE Gun Locking Mechanism Patent Print |
| 1942 HENRY KARLSEN Clock Mechanism Patent Print |
| 1942 JOSEPH PAVELKA Clock Mechanism Patent Print |
| 1942 CAMPBELL Transfer Mechanism Patent Print |
| 1942 HERBERT Airplane Mechanism Patent Print Art |
| 1942 MUELLER EMIL Brake Mechanism Patent Print |
| 1942 FRANK ERNY Control Mechanism Patent Print |
| 1942 BAILEY Stitching Mechanism Patent Print Art |
| 1942 SMITH FRANK Timing Mechanism Patent Print |
| 1942 LENEHAN Time Switch Mechanism Patent Print |
| 1942 BREEN HENRY Latch Mechanism Patent Print |
| 1942 LOUIS Bell Ringing Mechanism Patent Print |
| 1942 THEOPHILUS Hydraulic Mechanism Patent Print |
| 1942 DEERE & CO Hydraulic Mechanism Patent Print |
| 1942 GALLAGHER Timing Mechanism Patent Print Art |
| 1942 JOHN Gun Control Mechanism Patent Print Art |
| 1942 MERSEREAU Hand Brake Mechanism Patent Print |