Physical description
Instruction - 3 sheets of a former 8 or 12 page document titled "Westinghouse Magnetic Brake" describing the mechanism for magnetic and clamp brakes on 21E trucks, bogies, 22E, trailers. Lists the advantages of the Westinghouse Magnetic Brake. Has a note on the last pages that 2000 Westinghouse Magnetic Brakes have been sold in Great Britain along up to Nov. 1904.
Presumed published in the UK by The British Westinghouse Electric & Manufacturing Co. Ltd. London and Manchester.