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é aur ‘ ww LABORATORY .. Wf. FEDERAL BUREAU OF INVESTIGATION WASHINGTON 9D. C. : SAC, Philadelphia March 1, 1949 There follows the report of the FBI Laboratory on the examination of evidence received from your office on February 28, 1949. | JAHAM Moore PERJURY; ESPIONAGE ~ R John Edgar Hoover, Director INTERNAL SECURITY - R your FILE NO. 65—=2440 FBI FILE NO. Thy=1333 LAB. NO, D=95246 BU Examination requested by: Philadelphia Reference. Letter dated February 255 L949 Examination requested: Document Specimens: K652 Letter typewritten on letterhead stationery of Carnegie Endowment for International Peace, Office of the Secretary, 700 Jackson Place, Washington 6, D. C., dated January 27, 1947, to Dean, Jefferson Medical College, 1025 Walnut Street, Philadelphia, Pennsylvania, signed ALGER HISS, RESULTS OF EXAMINATION: The conclusion was reached that the machine which was used to type K652 was not used to type Q5 or Q6 through Q69. re The submitted evidence will be returned to the Philadelphia Office as soon as photographic copies have been made for the files of the Laboratory. 2 ~ New York 1 = Baltimore 1 + Washington Field