1935年11月10日中国水利工程学会在天津国立北洋工学院合照,由天津中国摄影馆拍摄. 并由北洋工学院院长李书田在照上签名送给祥麟先生. 保存良好.PhotographCharacters1935 (10 Oct.) The Chinese Society of Hydraulic Engineering took a group photo at the Tianjin Beiyang Institute of Technology, which was taken by the Tianjin China Photography Studio. It was signed by Mr. Li Shutian, the president of the Beiyang Institute of Technology, and give to Mr. Xianglin. The photo is kept in good condition. Size: 23 x 29cm