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bayhaqi:7722Abū ʿAbdullāh al-Ḥāfiẓ > Abū Ḥāmid Aḥmad b. Muḥammad b. al-Ḥasan al-Khusrawajurdī > Dāwud b. al-Ḥusayn > Muḥammad b. Saʿd al-Jallāb > Saʾalt Ismāʿīl b. Abū Ūways Bi-al-Madīnah

[Machine] About the measure of the Prophet, ﷺ , he brought to me an old, worn-out measure and said, "This is the measure of the Prophet, ﷺ , with his own eyes." I examined it and it was five and a third pounds.  

البيهقي:٧٧٢٢وَأَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ أَخْبَرَنِي أَبُو حَامِدٍ أَحْمَدُ بْنُ مُحَمَّدِ بْنِ الْحَسَنِ الْخُسْرَوَجُرْدِيُّ ثنا دَاوُدُ بْنُ الْحُسَيْنِ قَالَ سَمِعْتُ مُحَمَّدَ بْنَ سَعْدٍ الْجَلَّابُ يَقُولُ سَأَلْتُ إِسْمَاعِيلَ بْنَ أَبِي أُوَيْسٍ بِالْمَدِينَةِ

عَنْ صَاعِ النَّبِيِّ ﷺ فَأَخْرَجَ إِلَيَّ صَاعًا عَتِيقًا بَالِيًا فَقَالَ هَذَا صَاعُ النَّبِيِّ ﷺ بِعَيْنِهِ فَعَيَّرْتُهُ فَكَانَ خَمْسَةَ أَرْطَالٍ وَثُلُثًا