Reference for Eruvin 167:2
כדאמר רב הונא לאותן הדרים במרפסת ה"נ לאותן הדרין במרפסת
that any area that is accessible to one<span class="x" onmousemove="('comment',' As, in this case, the tenants of the upper storey.');"><sup>4</sup></span> by means of lowering and to the other<span class="x" onmousemove="('comment',' In this case the tenants of the courtyard.');"><sup>5</sup></span> by means of throwing up is assigned to the one who uses it by means of lowering? - As R'Huna explains [below that the reference is] to those who dwelt on the gallery so [it may] also here [be explained that the reference is] to those who dwelt on the gallery.<span class="x" onmousemove="('comment',' An eminence of the height of ten handbreadths in the courtyard would thus be either on a level with their quarters or slightly higher or lower, but always by no more than ten handbreadths (cf. infra n. 10) .');"><sup>6</sup></span>