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  • (cur | prev) 02:22, 3 September 2020Administrator7 (talk | contribs). . (478 bytes) (+478). . (James V. Boone and R. R. Peterson researched and wrote this short but incisive booklet, The Start of the Digital Revolution: SIGSALY Secure Digital Voice Communications in World War II, in 2000. Drawing on Donald Mehl's much longer, privately published...)