But under the sunny smile of Peter's blue eyes, his customary scowl softened to a look of mild wonder at the effervescent gayety of the man who was yet so efficient and even hard-working when occasion required it.
"The Come Back"
Carolyn Wells
His humour was effervescent, continuous, and effortless-not like Jerrold's wit, intermittent flashes called up at need-but overflowing in a rich stream of joke, pun, hit, crank, and quip, covering a field far wider than Jerrold's, and more genial.
"The History of "Punch""
M. H. Spielmann
A smoking-room, up or down stairs, is set apart for the gentlemen, where, in some houses, cigars and brandy and effervescent waters are furnished.
"Manners and Social Usages"
Mrs. John M. E. W. Sherwood