HYDRAULIC a.
ve at a, the momentum of the current thus suddenly checked forces part of it into the air chamber b, and up the pipe c, its return being prevented by a valve at the entrance to the air chamber, while the dropping of the valve a by its own weight allows another rush through the main pipe, and so on alternately. -- Hydr…
IMPERIAL a.
r; imperial tea, etc. Imperial bushel, gallon, etc. See Bushel, Gallon, etc. -- Imperial chamber, the, the sovereign court of the old German empire. -- Imperial city, under the first German empire, a city having no head but the emperor. -- Imperial diet, an assembly of all the states of the German empire. -- Imperi…
INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a.
is developed in the engine cylinder, as by the explosion of a gas, and not in a separate chamber, as in a steam- engine boiler. The gas used may be a fixed gas, or one derived from alcohol, ether, gasoline (petrol), naphtha, oil (petroleum), etc. There are three main classes: (1) gas engines proper, using fixed gases,…
KILN n.
A large stove or oven; a furnace of brick or stone, or a heated chamber, for the purpose of hardening, burning, or drying anything; as, a kiln for baking or hardening earthen vessels; a kiln for drying grain, meal, lumber, etc.; a kiln for calcining limestone.