That remind me of what we had in our house.  It wasn't used much for cooking, stews maybe that's all I recall.

I see that gjm has replied with beautifully typeset text.

What is a reference image?

I have a confession to make, I can make no sense of probability as degree of belief. The measure-theoretic definition (due to Kolmogoroff?) suits me and I have never progressed beyond it. I can do naught but beg your forgiveness.

Do you play go?