MCCAFFERTY AND MILLER DISCUSS SECURITY CONSIDERATIONS OF HAVING TWO MERCURY SWITCHES IN PNEUMATIC TUBE SYSTEM IN WH SITUATION ROOM
Telephone conversation # 8039, sound recording, ART MCCAFFERTY and CHUCK MILLER, 7/6/1965, time unknown
Citation
Telephone conversation # 8039, sound recording, ART MCCAFFERTY and CHUCK MILLER, 7/6/1965, time unknown, LBJ Presidential Library, accessed August 29, 2025, https://discoverlbj.org/item/tel-08039