In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
downcomer (plural downcomers)
A pipe to conduct something downwards.
A large external pipe in a water-tube boiler, carrying unheated water from the steam drum down to the water drum as part of the circulation path.
A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc.
Source: Wiktionary
Down"com`er, n. A pipe to conduct something downwards; specif.: (a) (Iron Manuf.) A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc. (b) (Steam Engin.) In some water-tube boilers, a tube larger in diameter than the water tubes to conduct the water from each top drum to a bottom drum, thus completing the circulation.
Source: Webster’s Unabridged Dictionary 1913 Edition
4 March 2025
(adjective) moved or operated or effected by liquid (water or oil); “hydraulic erosion”; “hydraulic brakes”
In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.