Reference for Bava Batra 150:11
(יחזקאל מא, ו) והצלעות צלע אל צלע שלש ושלשים פעמים מאי שלש ושלשים פעמים א"ר לוי אמר רב פפי משום ר' יהושע דסכני אם ג' ירושלים הן כל אחת ואחת יש בה שלשים מדורין למעלה אם שלשים ירושלים הן כל אחת ואחת יש בה שלשה מדורין למעלה:
It has been stated: [In the case of a ship] — Rab said: [The buyer acquires legal ownership] as soon as he pulled [it],<span class="x" onmousemove="('comment',' Pulling, Heb. meshikah, [H] is one of the modes of acquiring legal possession. It is performed by drawing the object towards oneself. ');"><sup>24</sup></span> however slightly; whereas Samuel said: He cannot become its legal owner until he has pulled its full length.<span class="x" onmousemove="('comment',' The entire ship must be moved from its position. by the buyer, until its farther end touches the spot on which the nearer end had rested. ');"><sup>25</sup></span> Must it be said that [they<span class="x" onmousemove="('comment',' Rab and Samuel. ');"><sup>26</sup></span>