Reference for Bava Kamma 62:10

היה בעל הקורה ראשון ובעל חבית אחרון נשברה חבית בקורה פטור בעל הקורה

<b><i>MISHNAH</i></b>. IF ONE COMES WITH HIS BARREL AND AN OTHER COMES WITH HIS BEAM AND THE PITCHER<span class="x" onmousemove="('comment',' Cf. supra p. 142. ');">¹⁸</span> OF THIS ONE BREAKS BY [COLLISION WITH] THE BEAM OF THIS ONE, HE<span class="x" onmousemove="('comment',' The owner of the beam. ');">¹⁹</span> IS EXEMPT, FOR THE ONE IS ENTITLED TO WALK [THERE AND CARRY BEAMS] AND THE OTHER IS ENTITLED TO WALK [THERE AND CARRY BARRELS]. WHERE THE CARRIER OF THE BEAM WAS IN FRONT, AND THE CARRIER OF THE BARREL BEHIND, AND THE BARREL BROKE BY [COLLISION WITH] THE BEAM, THE CARRIER OF THE BEAM IS EXEMPT.<span class="x" onmousemove="('comment',' For the carrier of the barrel who was behind should not have proceeded so fast. ');">²⁰</span>

Jastrow