Among gaugers, what a cask wants of being full; properly, the quantity required to fill it up.
All air is carefully excluded from the casks, any ullage is immediately checked, and as evaporation is continually going on the casks are examined every fortnight, when any deficiency is at once replenished. "Facts About Champagne and Other Sparkling Wines", Henry Vizetelly
All air is carefully excluded from the casks, any ullage is immediately checked, and as evaporation is continually going on the casks are examined every fortnight, when any deficiency is at once replenished.
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