Dover Power Station
1895 Description of engines supplied by the Brush Electrical Engineering Co for the Dover Electricity Supply Co. 'At present there are four of these engines, each coupled to a Mordey alternator, by means of Raworth’s flexible couplings. They form part of a series of engines designed by Mr. J. S. Raworth, M.I.C.E., for driving the different sizes of Mordey alternator, and embody all the improvements suggested by the extended experience of the Brush Company in connection with engines of this class. The two largest engines, which are coupled to 100-kilowatt alternators, run at 231 revolutions per minute, and have a stroke of 12 in. ; the cylinders are 11 1/2 in. and 20 in. in internal diameter, and each engine is capable of developing 175 indicated horsepower. A third engine coupled to a 57-kilowatt alternator .... runs at a speed of 250 revolutions per minute, has a stroke of 10 1/2 in., with cylinders 10 1/2 in. and 18 1/2 in. in diameter, and develops 138 indicated horse-power. The smallest engine, coupled to a 50-kilowatt alternator, runs at a speed of 273 revolutions per minute, and has a stroke of 8 1/2 in., with cylinders 8 1/2 in. and 15 in. in diameter ; it can develop 84 indicated horsepower. The steam pressure is 150 lb. .....'[1]
1899 Equipment by Dick, Kerr and Co