cheese
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Here are some cool artifacts of the marble industry. The first pic is a broken spinner cup. That's the piece that made the famous corkscrew design for Akro agates. Shown with it is a piece of oven/tank brick with glass stuck to it.
The next is a broken off pintle valve out of the glass tank. This is what opened and closed the hole in the glass tank, allowing the glass to flow or shutting it off.
Next is a pic of 2 pieces of slag with oven/tank brick attached. One is encased like a candy bar in chocolate.



The next is a broken off pintle valve out of the glass tank. This is what opened and closed the hole in the glass tank, allowing the glass to flow or shutting it off.
Next is a pic of 2 pieces of slag with oven/tank brick attached. One is encased like a candy bar in chocolate.


