Eruvin 57
Having provided a series of detailed measurements relating to spaces that surround or that separate different towns, the Mishna at the end of today’s daf (Eruvin 5:4, 57b) informs us of the method required to measure the 2,000 amot of the techum Shabbat (Shabbat boundary):‘We may only measure with a 50-amah (approx. 25 metre) rope,…
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