On 14/03/11 09:14, john south wrote:

> Today using a smoky dark coloured glass bowl which I don't think I've used
> before,
> but I really thought it was an oven proofed bowl. It suddenly completely
> collapsed into pieces as I placed it in the oven. What a mess.........
>
> My question is not whether this was really an oven proofed glass dish, since
> i guess we will never know for sure.

Au contraire mon ami. We know about it's oven-proof status. What we
don't know is whether it was designed to be so.

>
> But is the wife right in saying this is a very *risky* procedure, putting a
> pyrex glass bowl over a gas ring to boil things? Even though i always start
> on
> the minimum heat so as to minimize any strains on the glass. So would
> you think that this is safe to do, or not? Thanks.

I wouldn't do it. The type of glass pan that can be put on direct heat
is a comparatively new invention. Pyrex has existed a lot longer than that.


--
Bernard Peek