Coal discharge pwrs Railroad hopper cars (trains): capacity, dimensions, overview Patents claims
NWHS DS02065-Digital Scan
7in 17cm 12in 31cm nwhs hopper Patent us7171907 Car hopper patents discharge gate system
Patent us6412421
Hopper rail covered railcar medium types plastic mrc resinDrawings hopper covered publications archives drawing society fe santa 1970 Rapid discharge hopper plannedHopper covered ps pullman standard diagram 2cd drawing bay cars three cd.
Patent us20100319570Hopper coal tons Hopper rail covered railcar carsCovered hopper railcars for lease – mrc : mrc.
Drawings from the society’s archives and publications – the santa fe
Nwhs ds02065-digital scanHow to build model... Pullman standard's ps-2cd 4427 covered hopperPatents hopper.
.
Hopper | MRC Rail
Drawings from the Society’s archives and publications – The Santa Fe
Pullman Standard's PS-2CD 4427 Covered Hopper - Trains N Scale
NWHS DS02065-Digital Scan
Patent US20100319570 - Rail road hopper car structure - Google Patents
How to Build Model...
Patent US7171907 - Drive system for a railway hopper car discharge gate
Rapid Discharge Hopper Planned | RailRoad Modeling
Patent US6412421 - Gate assembly for a railroad hopper car - Google Patents