- India without a cat or pointer - It is necessary to take turns driving - Marker - Signal - One who, or that which, shows or points out; as, a fare
indicator in a street car. - A pressure gauge; a water gauge, as for a steam boiler;
an apparatus or instrument for showing the working of a machine or
moving part - An instrument which draws a diagram showing the varying
pressure in the cylinder of an engine or pump at every point of the
stroke. It consists of a small cylinder communicating with the engine
cylinder and fitted with a piston which the varying pressure drives
upward more or less against the resistance of a spring. A lever imparts
motion to a pencil which traces the diagram on a card wrapped around a
vertical drum which is turned back and forth by a string connected with
the piston rod of the engine. See Indicator card (below).