| 1948 REINHOLD Training Mechanism Firearms Art |
| 1948 EXHIBIT SUPPLY Step Up Mechanism Art Print |
| 1948 SINGER CO Stop Mechanism Sewing Machines |
| 1948 US SEC WAR Timing Mechanism Patent Print |
| 1948 OLIVER Gun Primer Mechanism Patent Print |
| 1948 DAVIS JR Firing Mechanism Patent Print Art |
| 1948 WALTER Stop Mechanism Sewing Machines Art |
| 1948 GIBSON Oscillating Mechanism Swinging Members |
| 1948 HARRY Detachable Calendar Mechanism Clocks |
| 1948 SIMPSON Buffer Mechanism Firearms Art Print |
| 1948 DAVIS Tab Control Mechanism Patent Print |
| 1948 SAARI Controlling Mechanism Sand Traps Art |
| 1948 SINGER CO Loop Taker Mechanism Sewing Machines |
| 1948 WAINWRIGHT Drop Feed Mechanism Sewing Machines |
| 1948 DAY Hydraulic Actuating Mechanism Dump Trucks |
| 1948 GEORGE Detachable Calendar Mechanism Clocks |
| 1948 NYVALL Firing Mechanism For Rifles Patent |
| 1948 TOMPKINS Flexible Sear Mechanism Firearms |
| 1948 DEANE Clock Control Mechanism Patent Print |
| 1948 STEINS Wheel Slip Prevention Mechanism Locomotives |