|
US1857186A
|
|
Train control system
|
|
US1690816A
|
|
Train-control-restoring apparatus
|
|
US1758104A
|
|
Magnet
|
|
GB242514A
|
|
Improvements in or relating to automatic air brake control apparatus
|
|
US1592930A
|
|
Forestalling valve for train-control devices
|
|
GB238456A
|
|
Improvements in or relating to air strainers
|
|
US1531602A
|
|
Air strainer
|
|
GB209627A
|
|
Improvements in and relating to railway train control
|
|
US1548593A
|
|
Magnetic valve for railway-train controls
|
|
US1529058A
|
|
Train stop for railroad-train controls
|
|
US1599516A
|
|
Magnet
|
|
DE394315C
|
|
Adjusting device for air brakes
|
|
DE381918C
|
|
Pipe outlet for air brakes
|
|
GB174559A
|
|
Improvements in train control mechanism for use on railways and the like
|
|
US1439082A
|
|
Railway train control
|
|
US1439081A
|
|
Railway train control
|
|
GB148790A
|
|
Automatic train-stop
|
|
DE331967C
|
|
Railway signal system
|
|
GB149873A
|
|
Improvements in railway train control mechanism
|
|
GB159260A
|
|
Improvements in means for controlling the operative field of magnets
|
