INCH n.
pressure, usually, the pressure indicated by so many inches of a mercury column, as on a steam gauge. -- Inch of water. See under Water. -- Miner's inch, (Hydraulic Mining), a unit for the measurement of water. See Inch of water, under Water.
INDUCTION n.
r valve, a pipe, passageway, or valve, for leading or admitting a fluid to a receiver, as steam to an engine cylinder, or water to a pump. -- Magnetic induction, the action by which magnetic polarity is developed in a body susceptible to magnetic effects when brought under the influence of a magnet. -- Magneto-electr…
INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a.
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, as coal, blast-f…