However , the Great Depression curtailed demand for Westinghouse 's electrical equipment , and they stopped building locomotives internally , opting to supply electrical parts instead .
Westinghouse Electric and Baldwin collaborated to build switching locomotives starting in 1929 .
The Great Depression curtailed demand for Westinghouse Electric 's electrical equipment , and Westinghouse Electric stopped building locomotives internally , opting to supply electrical parts instead .
Westinghouse Electric and Baldwin collaborated to build switching locomotives starting in 1929 .