Drawings hopper covered publications archives drawing society fe santa 1970
Covered hopper railcars for lease – mrc : mrc
Patent us7171907Car hopper patents discharge gate system Peckforton light railway: how i constructed a loading hopperPatents hatch hopper.
Patents hopperPatent us6412421 Railroad covered hopper car for transport of dry bulk loadsPatent us5657700.
Patents claims
Patent us20100319570Hopper loading exploded diagram instructions german cut some peckforton railway light Drawings from the society’s archives and publications – the santa feCoal discharge pwrs.