| 1930 TIMKEN Railway Car Journal Bearing Art |
| 1930 PERSONSMAJESTIC Ball Bearing Pedal Bicycles Etc |
| 1930 WETZELL Wheel Bearing Figure Toy Patent 6779 |
| 1930 RATIGAN Pump Pivot Bearing Patent 11970 |
| 1930 TIMKEN ROLLER BEARING CO Railway Car Axle Bearing |
| 1930 BARBER Lateral Motion Roller Bearing Cars |
| 1930 SCRIBNER Railway Car Axle Bearing Patent |
| 1930 PERSONS Ball Bearing Pedal Bicycles Etc Art |
| 1930 EMORY Adjustable Side Bearing Patent Print |
| 1930 MINER INC W H Center Bearing Patent Print |
| 1930 ALDEN Center Bearing Construction Railway Cars |
| 1930 CLYDE BROWN Bearing Box Patent Print Art |
| 1930 O'CONNOR JOHN Center Bearing Patent Print |
| 1930 AUGUST Trunnion Bearing For Ordnance Patent |
| 1930 STANDARD Lateral Motion Roller Bearing Cars |
| 1930 RAILWAY S Journal Bearing Railway Cars Art |
| 1930 CAMPBELL Journal Bearing Railway Cars Art |
| 1930 BUCKWALTER Railway Car Journal Bearing Art |
| 1930 TIMKEN Center Bearing Construction Railway Cars |
| 1930 McCASSEY Acclimating Fur Bearing Animals Patent 62 |
| 1930 WIEGAND Car Truck Center Bearing Patent |
| 1930-50's BUDDY L AXLE BEARING FOR 3/16th INCH AXLE |