신흥무관학교를 세운 우당 일가가 하루 한 끼니도 먹을 수 없는 곤궁한 처지가 되자 이은숙 선생이 서울에 들어와 돈을 벌기 위해 찾아간 곳은 고무공장이었다.
When the Wudang family, which founded Shinheung Military Academy, became in a difficult situation where they could not eat a meal a day, it was the rubber factory that Lee Eun-sook visited to earn money in Seoul Metropolitan City.