1837 D. L. Farnam 2/1 When a suction pipe is not used, the lower valves admit the water from the engine box into the chamber.
1910 17 Sept. 6/5 A tube connected with the engine burst, causing the draught to force the flames into the engine box.
1994 H. Chappell 60 He merely cursed, slamming the lid back down on the engine box.