Reference for Bava Batra 6:8

אמר רב חסדא לא ליסתור איניש בי כנישתא עד דבני בי כנישתא אחריתי איכא דאמרי משום פשיעותא ואיכא דאמרי משום צלויי

— There it is speaking of large bricks. This is indicated also by the expression 'half a brick of three handbreadths' which implies that there is a smaller variety. Hence it is proven.<span class="x" onmousemove="('comment',' That the three handbreadths of the Mishnah includes the plaster. ');">⁶</span>

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