Cylinder glass

	See Glass.
	sheet glass made by blowing the glass in the form of a cylinder which is then split longitudinally, opened out, and flattened.

cylinder glass

In the past, a type of relatively poor-quality glass made by blowing a cylinder of molten glass, dividing it lengthwise, and then rolling these sheets flat while the glass was still hot; much cheaper than the higher-quality crown glass then available; also called sheet glass.

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