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Teaching Forces and Trains

Forces and Trains

Elijah McCoy was an inventor and engineer. He created and received credit for 60 original solutions to mechanical problems. One very important solution was McCoy's invention of an automatic lubricator for trains. It worked to reduce friction as the train was moving. It saved railroads time and money.

Core Knowledge Foundation


How does Elijah McCoy's solution to a tricky train problem connect to modern engineering solutions?


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