🚀 go-pugleaf

In article <1995Jul24.195810.1@kcvax1>,
Tim Sullivan x5830 <sullivan@kenyon.edu> wrote:
>I've already seen a reply to this that suggests use of a thermos. That's fine as
>a thermos is a dewar bottle in disguise after all. BUT, don't screw the lid on
>tight as you would for coffee. The vapor must be allowed to escape or dangerous
>(explosive) pressures will build up. Also, I guess I would look for one with a
>glass liner as being most likely to withstand the extreme cold.

No, don't use glass. Metal is the thing.
Only pyrex glass have any chance of surviving  such a temperature change.
Virtually all metals can manage the cold. I once used Pb, led, and it was
just as soft and malleable when cooled by liquid nitrogen.

Kim0