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JOHN EDGAR HOOVER @ ] é DIRECTOR ’ o ‘- Federal Bureau of Investioation , United States Department of Justice Washington, B.C MEG:GJD . 3 oe MEMORANTUM FOR THE DIRECTOR j ; RE: SUGGESTED PROTECTION FOR a THE HOME OF JOHN D. Attached hereto, for inclusion in the file, are eleven charts and blueprints of the home to be built by John D. Rockefeller, ITI. There is also attached hereto an advertisement of the "Electric Eye" manufactured by the Ray—Alarm Company, 225 5th Street, Des Moines, Iowa, which is referred to in the outlined suggestions. Sige ey Respectfully, KM. E. Gurnea Enclosure - ro { Ne ne AS ‘ff . . L Se disor: Cw g fi “too stam eas ew Ge eoaepes us RE ae cote F Sty ; “s a f oe j : at hp ot ett . : | \ ji t yon wi bial $1 te 7 & i ~ -