The steel cable by which it is drawn up goes round drums in the engine house.
The motive power by which the car ascends is centred is a stationary engine on the top of the hill.  The steel cable by which it is drawn up goes round drums in the engine house.  The engineer, by means of a dial and pointers, easily ascertains where exactly the ascending and descending cars are on the line, and so can regulate the speed in relation to the different stations.