וַיַּ֥עַשׂ אֶת־הַיָּ֖ם מוּצָ֑ק עֶ֣שֶׂר בָּ֠אַמָּה מִשְּׂפָת֨וֹ עַד־שְׂפָת֜וֹ עָגֹ֣ל ׀ סָבִ֗יב וְחָמֵ֤שׁ בָּֽאַמָּה֙ קוֹמָת֔וֹ וקוה [וְקָו֙] שְׁלֹשִׁ֣ים בָּֽאַמָּ֔ה יָסֹ֥ב אֹת֖וֹ סָבִֽיב׃
At ginawa niya ang Dagat na yari sa hinulmang metal: sampung siko mula sa isang labi hanggang sa kabilang labi, bilog sa palibot, at limang siko ang taas nito; at isang pising tatlumpung siko ang pumapalibot dito.
Mishnah Eruvin
If [the cross-beam] was made of straw or reeds, we look at it as if it was of metal. [If it was] curved we look at it as if it were straight. [If it was] round we look at it as if it were square. Whatever has a circumference of three handbreadths has a diameter of one handbreadth.