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[ The Whiteboard Webcomic
Tapping the cupola. There's a passage in the chamber's internal
refractory lining, blocked by a wad of fireclay, or a similar material.
When the charge is ready, the dam is chipped out with a bar, and the iron allowed to pour into the ladle.
Note the "sluice" is also lined with refractory.
All text, photos and graphics
Copyright 1998- 2015, Doc's Machine & Airsmith Services. All Rights
Information contained in
these pages is for reference and entertainment
purposes only. Our methods are not always the best,
quickest, safest, or even the correct ones. It's up to you to know how
to use your own machines and tools.
Keep your fingers away from the spinny blades o' death and you should
be all right.