Source:
Champagne: How the World’s Most Glamorous Wine Triumphed Over War and Hard Times
https://enoviti-hanumangirl.blogspot.com/2019/02/first-art-featuring-champagne.html
> Glasses of champagne were drunk in one gulp then turned over in a bowl to let the substantial amount of sediment drain out. The next gulp of Champagne was always served in a fresh glass.
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