Parker Company, John H., Foundation and Superstructure Sub-stations Nos. 11, 12, 13, 14, and 16 (City Hall Place, E. 19th Street, W. 53d Street, W. 96th Street, W. 132d Street). INSPECTION SHED American Bridge Company, Structural Steel. Beggs & Company, James, Heating Boilers. Elektron Manufacturing Company, Freight Elevator. Farrell, E. J., Drainage System. Hiscox & Company, W. T., Steam Heating System. Leary & Curtis, Transformer House. Milliken Brothers, Structural Steel and Iron for Storehouse. Northern Engineering Works, Electric Telpherage System. O'Rourke, John F., Foundation Work. Tucker & Vinton, Superstructure of Reinforced Concrete. Tracy Plumbing Company, Plumbing. Weber, Hugh L., Superstructure of Storehouse, etc. SIGNAL TOWERS Tucker & Vinton, Reinforced Concrete Walls for Eight Signal Towers. PASSENGER ELEVATORS Otis Elevator Company, Electric Passenger Elevators for 167th Street, 181st Street, and Mott Avenue Stations, and Escalator for Manhattan Street Station. * * * * * _Rolling Stock and Signal Department_ George Gibbs, Consulting Engineer. Cars, Automatic Signal System. American Car & Foundry Company, Steel Car Bodies and Trailer Trucks. Buffalo Forge Company, Blacksmith Shop Equipment. Burnham, Williams & Company (Baldwin Locomotive Works), Motor Trucks. Cambria Steel Company, Trailer Truck Axles. Christensen Engineering Company, Compressors, Governors, and Pump Cages on Cars. Curtain Supply Company, Car Window and Door Curtains. Dressel Railway Lamp Works, Signal Lamps. Hale & Kilburn Manufacturing Company, Car Seats and Backs. Jewett Car Company, Wooden Car Bodies. Manning, Maxwell & Moore, Machinery and Machine Tools for Inspection Shed. Metal Plated Car & Lumber Company, Copper Sheathing for Cars. Pitt Car Gate Company, Vestibule Door Operating Device for Cars. Pneumatic Signal Company, Three Mechanical Interlocking Plants. Standard Steel Works, Axles and Driving Wheels for Motor and Trailer Trucks. St. Louis Car Company, Wooden Car Bodies and Trailer Trucks. Stephenson Company, John, Wooden Car Bodies. Taylor Iron & Steel Company, Trailer Truck Wheels. Union Switch & Signal Company, Block Signal System and Interlocking Switch and Signal Plants. Van Dorn Company, W. T., Car Couplings. Wason Manufacturing Company, Wooden Car Bodies and Trailer Trucks. Westinghouse Air Brake Company, Air Brakes. Westinghouse Traction Brake Company, Air Brakes.