Set of Two Original 1918 Signal Corps Pamphlets - "Two-Way T.P.S. Set" Type SCR-76. One is Signal Corps Radio Pamphlet No. 15 dated 8-10-1918, 16 pages. Second one is Signal Corps Field Pamphlet No. 3 dated August 24, 1918, 16 pages. Both in good to very good condition with callsign 8EU stamped on front covers - see photos. Larger pamphlet size is 4.5" x 7.0", smaller is 4.0" x 6.0".