from are east load the sunsers faced during their journey. 4. What innovations did Eli Janney create to improve the safety of railroad cars?

Eli Janney was an American inventor who made significant contributions to the safety and comfort of railroad cars. Some of his notable innovations include:1. **Air Brake System**: Janney is credited with developing the first practical air brake system for trains. This system allowed for the simultaneous braking of multiple train cars, which greatly improved safety by preventing the cars from becoming disconnected during braking.2. **Automatic Lubrication System**: Janney invented an automatic lubrication system that applied oil to the moving parts of the train, reducing friction and wear. This innovation helped to extend the lifespan of the train components and improve the overall performance of the train.3. **Coupling Mechanism**: Janney also developed a new type of coupling mechanism that made it easier and safer to connect and disconnect train cars. This mechanism allowed for smoother and more efficient coupling, reducing of accidents during the coupling process.These innovations played a crucial role in improving the safety and efficiency of railroad transportation during the late 19th and early 20th centuries.