[Avodah] Keilim and Bitul beShishim

[D Rubin via Avodah]

See Shach in bosor becholov, siman 93:1 that talks about - עם נחושתה
דקורחבה גדול i.e. keilim that were different from their thick-walled pots,
that this assumption would not apply. Sorry i can't remember exact מ"מ
but there is also Darchei Teshuvoh that deals with it.

Dovid Rubin

> Date: Tue, 9 Feb 2016 12:51:04 -0500
> From: Micha Berger via Avodah <avodah at lists.aishdas.org>

> Halakhah works with the assumption that a keli doesn't hold 60 times its own
> volume, so that if the keli itself is treif, any food you cooked in it
> was "treifed up".
> Does this assumption with today's cookware made by drawing metal sheets
> onto a forming die or spinning it onto a mandrel?