| 1927 HARRY S HART Dump Car Door Control Patent |
| 1927 MELVIN JOHNSON Dump Truck Patent Print Art |
| 1927 REID Hoisting Mechanism Dump Trucks Art |
| 1927 MELTON Gravity Dump Body Trucks Wagons Art |
| 1927 SHEEHAN Dump Car Underframe Patent Print |
| 1927 DORN IRON WORKS VAN Dump Truck Art Print |
| 1927 CRAWFORD Power Hoist For Dump Trucks Patent |
| 1927 RODGER BALLAST CAR Railway Dump Car Art |
| 1927 COMMW STEEL Dump Car Underframe Patent |
| 1927 HOSCEIT Dump Car Door Control Patent Print |
| 1927 BATHO WILLIAM Dump Car ENTPR RAILWAY EQUIPMENT CO |
| 1927 INT MOTOR CO Hoisting Mechanism Dump Trucks |
| 1927 GAY JOHN Dump Body GALION METALLIC VAULT |
| 1927 DEWALD Double Pivot Support Dump Bodies Art |
| 1927 NELSON Self Cleaning Dump Body Patent Print |
| 1927 NEIN CHARLES Dump Body INT MOTOR CO Patent |
| 1927 GALION METALLIC VAULT Dump Body Art Print |
| 1927 LESTER FLEETWOOD Dump Body Patent Print Art |
| 1927 PACKARD CLARENCE Dump Body Vehicle Patent |
| 1927 PENNINGTON GORDON Dump Truck Patent Print |
| 1927 DAVID HINDAHL Railway Dump Car Patent Print |
| 1927 INT MOTOR CO Dump Body Patent Print Art |
| 1927 MCGAHEY Lock For Dump Cars Patent Print Art |
| 1927 ENTPR RAILWAY EQUIPMENT CO Dump Car Patent |
| 1927 White Dump Truck Vintage Print Ad |
| 1927 Selden Dump Truck Ad |