[LB038106], Letter from Alfred Ord Tate to Thomas Alva Edison, March 3rd, 1890
https://edisondigital.rutgers.edu/document/LB038106
Transcription
March 3, 1890 My dear Mr. Edison,- I saw Leonard in regard to tests which were made at the Johns Hopkins University. He said he could use the data which Mr. Kennelly prepared, and the latter sent it over to him. Leonard said that he would write you upon the subject. I presume he has done so. Yours very truly, A.O. Tate