| 1920 GLEN ECHO AMUSEMENT PARK ROLLER COASTER MD PHOTO |
| 1920 DOUBLE SIDED INVICTA STEAM ROLLER/ TRACTION ADVERT |
| 1920 O'CONNOR JOHN Roller Bearing Patent Print |
| 1920 JOSEPH WISNIEWSKI Roller Skate Patent Print |
| 1920 HYATT ROLLER BEARING Mounting Car Axle Boxes |
| 1920 DALLIMORE Journal Box Roller Bearings Art |
| 1920 PAUL Roller Supporting Device Patent Print |
| 1920 HYATT ROLLER BEARING Car Axle Mounting Art |
| 1920 ROLLER Ornamental Design Andiron Patent 43637 |
| 1920 ROLLER Ornamental Andiron Design Patent 43638 |
| 1920 WILLIAM H MINER Counterbalanced Roller Bearing |
| 1920 ROLLER Andiron Ornamental Design Patent 43640 |
| 1920 WINCHESTER REPEATING ARMS CO Roller Skate Wheel |
| 1920 EASTMAN HARDY Roller Skate Patent Print Art |
| 1920 ROLLER Andiron New Original Design Patent 43643 |
| 1920 UPPLING JOSEPH Roller Skate Patent Print |
| 1920 ROLLER Andiron Original Ornamentation Patent 43641 |
| 1920 HANNUM HARRY Roller Skate Wheel Patent |
| 1920 OUZOUN Watch Roller Remover Patent Print |
| 1920 CLARENCE Triple Roller For Watches Patent |
| 1920 WILLIAM H MINER Roller Bearing Patent Print |
| 1920 HENRI Double Roller Lever Escapement Patent |
| 1920 O'CONNOR Counterbalanced Roller Bearing Art |
| 1920 ROLLER New Original Andiron Design Patent 43639 |
| 1920 ROLLER Andiron Original Design Patent 43642 |
| 1920 LEE ELMER Roller Skate Patent Print Art |
| 1920 ANTHONY Mechanical Roller Skate Patent |
| ON-TRAK 5108 SS Ltd HO/HOn3 -1920 Iroquois Steam Roller |
| RARE 1920-CASE STEAM ROLLER ADVERTISING POSTCARD!!!!!!! |