Talk:Double Acting Piston Bellows
From Wikipedia, the free encyclopedia
What happened to the image?
Is this sufficiently related to blast furnaces to justify a link? 128.233.153.78 17:52, 30 October 2006 (UTC)
Possibly. It was one of several reasons why early Chinese blast furnaces were superior to western counterparts. Perches 05:28, 8 January 2007 (UTC)