| 1925 STANDARD STEEL CAR Car Door Operating Mechanism |
| 1925 AMELIE Pneumatically Operating Musical Instrument |
| 1925 PARSONS Whistle Operating Mechanism Patent |
| 1925 DAVIS Whistle Operating Mechanism Patent |
| 1925 ROBERT KAUCH Operating Handle Patent Print |
| 1925 RUSSELL Operating Trigger Double Gun Mounts |
| 1925 GAMEWELL Signal Operating Mechanism Art |
| 1925 OBEL Operating Maintenance Record Vehicles |
| 1925 JULIUS Switch Operating Device Patent Print |
| 1925 ANDREW Railway Gate Operating Device Patent |
| 1925 ANDERSON Car Door Operating Mechanism Art |
| 1925 COOPER Operating Mechanism Timepieces Art |
| 1925 ENTPR Car Door Operating Mechanism Art |
| 1925 SINGER Looper Operating Mechanism Sewing Machines |
| 1925 SMITH Signal Operating Mechanism Art Print |
| 1925 BALDWIN Means For Operating Rail Clamps Art |
| 1925 GRIM Electrical Switch Operating Mechanism |
| 1925 ARGYLE Car Door Operating Mechanism Patent |
| 1925 SEEHORN Train Controlled Switch Operating |
| 1925 AUTO PNEUMATIC ACTION Action Operating Mechanism |
| 1925 NEWTON D HOLBROOK Operating Mechanism Timepieces |
| 1925 D V TANTLINGER Train Controlled Switch Operating |
| 1925 BROWN Means Operating Rail Clamps Art Print |
| 1925 CLAYTON Looper Operating Mechanism Sewing Machines |
| 1925 Article-Straus Building Chicago Renting Operating |