Hadith 719
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: Shall I not tell you the way the Messenger of Allah (peace and blessings be upon him) performed ablution? Then he washed each limb of ablution once. The narrator said, or he said: that ablution is (done) once for each (limb).
Hadith 720
It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) washed each limb of wudu once, and performed rinsing of the mouth and nose with a single handful of water.