[written in different handwriting, Hirota] Oct. 20, 1960. Dear Joshua: I received your letter dated on Oct. 8, for asking on a paper: Y. Hoshino and S. Yoshida, J. Electrochem. Sci. (Denki-Kagaku), 17, 221, 1949. The ultraviolet filter for isolation of 2537-A. line of the mercury quartz lamp. (Ref. Chem Abstr. 48: 13437b) As you expected, the article is written in Japanese. I am going to: (1) translate it into English (2) make a copy of the original paper, because it has some figures. (3) make contact with those authors to ask the other reprints related., especially written in English. And it may take other week also to send these materials to you. The adress [sic] of those authors at the time when it was reported is as follows Y. Hoshino and S. Yoshida Electro-chemical laboratory, Tokyo Institute of Technology, O-okayama, Tokyo. I have sent application for Research Grant which you kindly suggested to ask for, to N.I.H on middle of this month. With best wishes. Yukinori