One heats the pipe in the "glory hole", giving it a quick "puff" to make sure it is not plugged. Then goes to get the glass from the furnace. After one has gathered the desired amount of glass, being careful to keep turning the pipe, one takes the glass to the marver to shape it. It quickly cools on the cold iron, here one hopes not fast enough to explode, so it must be taking back to the glory hole to be heated again. When it is hot enough one blows very, very hard and then plugs the end with one's thumb to trap the air. Inside, the air heats up, expands, and makes a bubble. To get the desired shape, one keeps working it, turning the pipe with one's fingers, telling the much-needed assistant when to blow, and how hard. When one is satisfied, one lets it cool. One must take caution to cool
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| - One heats the pipe in the "glory hole", giving it a quick "puff" to make sure it is not plugged. Then goes to get the glass from the furnace. After one has gathered the desired amount of glass, being careful to keep turning the pipe, one takes the glass to the marver to shape it. It quickly cools on the cold iron, here one hopes not fast enough to explode, so it must be taking back to the glory hole to be heated again. When it is hot enough one blows very, very hard and then plugs the end with one's thumb to trap the air. Inside, the air heats up, expands, and makes a bubble. To get the desired shape, one keeps working it, turning the pipe with one's fingers, telling the much-needed assistant when to blow, and how hard. When one is satisfied, one lets it cool. One must take caution to cool
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abstract
| - One heats the pipe in the "glory hole", giving it a quick "puff" to make sure it is not plugged. Then goes to get the glass from the furnace. After one has gathered the desired amount of glass, being careful to keep turning the pipe, one takes the glass to the marver to shape it. It quickly cools on the cold iron, here one hopes not fast enough to explode, so it must be taking back to the glory hole to be heated again. When it is hot enough one blows very, very hard and then plugs the end with one's thumb to trap the air. Inside, the air heats up, expands, and makes a bubble. To get the desired shape, one keeps working it, turning the pipe with one's fingers, telling the much-needed assistant when to blow, and how hard. When one is satisfied, one lets it cool. One must take caution to cool the glass at an even rate, for it will crack and shatter if part of it cools faster than an earwigs genitalia in siberia.
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