Hopper door actuating mechanism
Hopper door apparatus for a railway car
Hopper door locking and actuating mechanism
Hopper door operating mechanism
Hopper gate valve
Hopper outlet assembly with automatic lock for gate
Hopper outlet construction with seal between hopper and gate
Hopper rail car
Hopper railcar with automatic individual door system
Hopper vehicle
Hopper vehicle
Hoppers
Hoppers and bogies
Horizontal lifeline traversing device
Horizontal seam boxcar side wall
Horizontally acting hydropneumatic buffer
Hose connector having means for operating electrical contacts
Hose connector template apparatus
Hose straightening fixture
Hose straightening fixture