| 1947 CHARLES Detonating Mechanism Patent Print |
| 1947 HENRY Variable Leverage Mechanism Vehicle Brakes |
| 1947 NOYES Actuating Mechanism Aerodynamic Surfaces |
| 1947 LITTLE Mechanism Controlling Electric Circuits |
| 1947 WALT Accordion Shift Mechanism Patent Print |
| 1947 LARSSON Automatic Braking Mechanism Vehicles |
| 1947 DAVID Ice Detecting Mechanism Patent Print |
| 1947 HENRY Fuze Setting Mechanism Art Print |
| 1947 WHITEHEAD Regulating Mechanism Time Fuses |
| 1947 WITT Sounding Mechanism Toy Guns Like Art |
| 1947 SCHUBERT Control Mechanism Aircraft Art |
| 1947 CAMP Brake Operating Mechanism Patent Print |
| 1947 DATH Shock Absorbing Mechanism Patent Print |
| 1947 MARK Looper Mechanism Sewing Machines Art |
| 1947 LUNDE Door Latch Operating Mechanism Railway Cars |
| 1947 REMINGTON ARMS INC Firing Mechanism Firearms |
| 1947 NISSEN HENRY Clutch Mechanism Patent Print |
| 1947 GOODRICH B F Frictional Mechanism Expander |
| 1947 MAGOR Door Latch Operating Mechanism Railway Cars |
| 1947 LINDEROTH Control Mechanism Gun Training |