Reference for Menachot 47:3

א"ל צריך לכלי כלי מצרפו אין צריך לכלי אין כלי מצרפו

are touching one another, but not when they do not touch one another; or perhaps this makes no difference? - Said he<span class="x" onmousemove="('comment',' R. Kahana.');">⁵</span> to them, Did we learn, 'a vessel joins'?<span class="x" onmousemove="('comment',' Which would imply that the contents of the vessel were in contact.');">⁶</span>

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