It was narrated that Ibn 'Abbas said:
"My maternal aunt Maimunah told me that she and the Messenger of Allah (ﷺ) used to perform Ghusl from one vessel." (JA)
English reference (JA): Vol. 1, Book 1, Hadith 237 (JA)
Arabic reference (JA): Book 1, Hadith 238 (JA)