(a) It is narrated from Sayyidah Aishah (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him) and I used to bathe from a single vessel.
(b) Imam Bukhari (may Allah have mercy on him) narrated it from Hisham through another chain.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 923