Wiktionary
percolators
n. (plural of percolator English)
Usage examples of "percolators".
A coffee-shop cluttered with percolators and the more intricate jugs that undergraduates still evidently cultivated.
He was quite aware of how his coffee compared with that in the huge percolators about the ship.
In the little cafés, the gas was lighted under the percolators, and piles of warm croissants were put out on the bars.