Reference for Menachot 179:17

תנן התם מותר נסכים לקיץ המזבח

and [what is performed] outside;<span class="x" onmousemove="('comment',' Sc. the measuring of the meal-offering, which is performed outside the Temple in the Temple court where all Israelites were permitted to enter.');">¹⁸</span> [what is performed] inside not everybody is aware of, but [what is performed] outside everybody is aware of.<span class="x" onmousemove="('comment',' And there is ground for the apprehension.');">¹⁹</span>

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