About this recording 757–1 President Richard M. Nixon White House operator July 31, 1972 White House Operator Richard M. Nixon Conversation No. 757-1 Date: July 31, 1972 Time: Unknown between 4:05 pm and 4:07 pm Location: Oval Office The President talked with the White House operator. [See Conversation No. 28-13] Secret White House Tapes | Richard M. Nixon Presidency 757–1 Back 10s Play/Pause Skip 10s 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon