Hadith 15:265
Abu Bakr narrated to us, he said: Abu Mu'awiyah narrated to us, from al-A'mash, from Ibrahim, that he used to buy *al-tila'* (thickened grape juice) from one whose method of making it he did not know, then he would drink it.
حدثنا أبو بكر قال حدثنا أبو معاوية عن الأعمش عن إبراهيم أنه كان يشتري الطلاء ممن لا يدري من صنعه ثم يشربه