Sunan an-Nasai 14965
In-book no 229أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّهَا قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَغْتَسِلُ فِي الْقَدَحِ وَهُوَ الْفَرَقُ وَكُنْتُ أَغْتَسِلُ أَنَا وَهُوَ فِي إِنَاءٍ وَاحِدٍ .
It was narrated that 'Aishah said: "The Messenger of Allah (ﷺ) used to perform Ghusl from a vessel which was the size of a Faraq and he and I used to perform Ghusl using a single vessel." Sixteen Ratls.