Oh no, it is still made. By Kirkpatrick of Wallsall:
http://www.kirkpatrick.co.uk/home.htm
Not cheap but they still make the real thing - whiteheart malleable
cast iron. It is far stronger than ordinary cast. Read about it on
Kirkpatrick's website. They dont sell small quantities but there are a
number of firms who stock their products. I get them from
Architectural Ironmogery of Ross-on-Wye:
http://www.arciron.com/Arnold1.html
They have always provided a prompt, efficient and helpful service.