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Boston round (bottle)
A Boston round bottle, or Winchester bottle, is a strong and heavy bottle commonly used in the drug and chemical industries. It is often made of amber (brown) glass (to filter out UV light) but can also be made of plastics.〔
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==History==
The "Winchester quart" bottle first appeared in the UK in the 19th century with a capacity of 2 imperial quarts (≈2.273 l). At the time, a system of dry capacity measures known as "Winchester" was still in use. To this day, the Winchester bushel is used in the USA. However, the Winchester quart bottle has no relation whatsoever to any other units called "Winchester". In the 20th century, the Winchester Quart was metricated to two and a half litres.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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