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Air meterA small, sensitive windmill anemometer having flat vanes. It indicates the number of linear feet (or meters) of air that have passed the instrument during its exposure.
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Air meterA device for measuring the air content of a concrete or mortar mix. See air content
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Air meterA small anemometer with flat vanes which indicates the number of linear feet or meters of air which have passed the instrument during its exposure.
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