| 1965 BALDWIN Railway Bottom Dump Gondola Car Art |
| 1936 PROCTOR Bottom Dump Vehicle Patent Print |
| 1963 ROBERT Bottom Dump Trailer Construction Art |
| 1968 JESSUP Bottom Dump Hopper Barge Patent |
| 1921 LEDYARD Revolving Bottom Dump Wagon Patent |
| 1955 RAGNAR BERG Bottom Dump Car Patent Print |
| 1937 SANFORD Bottom Dump With Sloping Discharge Walls |
| 1943 HEIL CO Bottom Dump Trailer Wagon Patent |
| 1968 ROSS Bottom Dump Trailer Structure Patent |
| 1907 MALTEY Drop Bottom Dump Car Patent 11989 |
| 1968 DREDGING IND AUST PTY LTD Bottom Dump Hopper Barge |
| 1965 DARLINGTON Railway Bottom Dump Gondola Car |
| 1922 LEDYARD Bottom Dump Trailer Patent Print |
| 1947 SIMMONS Bottom Dump Vehicle Patent Print |
| 1911 OTIS Drop Bottom Dump Car Patent 11986 |
| 1926 FORREST Drop Bottom Dump Car Patent Print |
| 1951 MORK Closing Mechanism Bottom Dump Wagons |
| 1937 TRACKSON Door Closing Means Bottom Dump Wagons |
| 1936 SANFORD Automatic Drop Bottom Dump Vehicle |
| 1970 BOCK Closing Bottom Dump Barge Art Print |
| 1966 BOWEN Door Operating Means Bottom Dump Wagons |
| 1968 ATHEY PRODUCTS CORP Bottom Dump Trailer Structure |
| 1943 FRENCH Bottom Dump Trailer Wagon Patent |
| 1937 MCINTOSH Door Closing Means Bottom Dump Wagons |
| Lot of 3 Tonka Trucks - Ambulance - Bus - Bottom Dump |
| 1:32 G Scale Double Bottom Dump Trailer Toy Truck Model |
| Euclid Bottom Dump Kit by Don Mills Models Limited Edit |
| DOEPKE MODEL TOYS EARTH MOVER BOTTOM DUMP |
| Construction Rock Sand Belly Bottom Dump Truck Trailer |
| Vintage Tonka Truck Tonka Bottom Dump tractor truck Toy |
| HTF LARGE MIGHTY TONKA GREEN BOTTOM DUMP SEMI 1960S |
| 2 VINTAGE TONKA METAL TOYS BOTTOM DUMP & TRACTOR CHEAP |
| Vintage Tonka truck pressed metal Bottom dump truck car |
| Vintage Tonka Yellow Pressed Steel Bottom Dump Truck |
| TONKA STEEL TOY CONSTRUCTION LOT SEMI TRUCK BOTTOM DUMP |
| Le Tourneau Haulpak Model 90 Bottom Dump Brochure. |