Sahih Bukhari
Sahih Bukhari Volume 001, Book 004, Hadith Number 195.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 04. Ablutions (Wudu')
Narated By Abu Musa : Once the Prophet asked for a tumbler containing water. He washed his hands and face in it and also threw a mouthful of water in it.