After the meeting, he entered the renowned Baldwin Locomotive Works (established in 1854) in Philadelphia as a trainee for several months, so that his experience could be used in Tengchow.

• 会毕，他迳去费城负有盛名的包德温火车头制造厂（该厂创于1854年）去当学工，历数月，俾将所学在登州教导学生并付实用。