About this recording 894–21 UNKNOWN April 12, 1973 Unknown Conversation No. 894-21 Date: April 12, 1973 Time: Unknown between 1:19 pm and 4:00 pm Location: Oval Office An unknown person entered at an unknown time after 1:19 pm. President’s schedule -Executive Office Building [EOB] office The unknown person left at an unknown time before 4:00 pm. Secret White House Tapes | Richard M. Nixon Presidency 894–21 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 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