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Why We Need to Weigh
Inches Feet Ounces and Pounds
The Imperial System
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300 millimetres abacus accurate ancient Athens avoirdupois Babylonian balance basic unit became Britain British built burning of Parliament bushel calculation called centimetres century changeover Charlemagne checked coins confusion convenient corn cost countries cubic inches cubit decided defined Denis Diderot derived units distance divided Egypt Egyptians Empire feet France French furlong gallon go metric grain gramme Greek Gudea hundred hundredweight imperial foot imperial system industry kilo kilogramme length litre manufacturers measure of capacity merchants metal method metre metric equivalent metric system metric units miles milk millilitre millimetres muddle natural constant needed official original ounces pace measured palm Paris Parliament pendulum pint platinum poles quadrant quantities reform Roman Royal sandglass scientists sell shekel Simon Stevin standard yard Stevin stick stone system of weights tion took Tower pound trade troy pound twelve unit of weight weights and measures wine