Old Glass and How to Collect it
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Summary
THE origin of glass is lost in antiquity. Pliny, indeed, ascribes its discovery to certain Ph?nician mariners who, being shipwrecked upon a sandy shore, used a block of the natron which formed their cargo to support a pot which they were putting over an improvised fire. The heat fused the sand with the natron, and lo! the glass was discovered in the ashes.
