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How 'olden'? 1950's ... just like today, 1900's just like today. The metric system has been around since about 1800, and was accepted by scientists very quickly, so liter volume measures have been with us over 200 years. Common measurements in a few countries still use the more antiquated system of gallons, quarts, pints, cups and ounces but not for scientific purposes.

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11y ago

What else can I help you with?