John Van Vleck, Mechanical and Construction Engineer.

Power house and sub-station, steam plant, repair shop, tunnel drainage, elevators.

POWER HOUSE

Alberger Condenser Company, Condensing Equipment.

Allis-Chalmers Company, Nine 8,000-11,000 H. P. Engines.

Alphons Custodis Chimney Construction Company, Chimneys.

American Bridge Company, Structural Steel.

Babc.o.c.k & Wilc.o.x Company, Fifty-two 600 H. P. Boilers and Six Superheaters.

Burhorn, Edwin, Castings.

Gibson Iron Works, Thirty-six Hand-fired Grates.

Manning, Maxwell & Moore, Electric Traveling Cranes and Machine Tools.

Milliken Brothers, Ornamental Chimney Caps.

Otis Elevator Company, Freight Elevator.

Peirce, John, Power House Superstructure.

Power Specialty Company, Four Superheaters.

Ryan & Parker, Foundation Work and Condensing Water Tunnels, etc.

Robins Conveying Belt Company, Coal and Ash Handling Apparatus.

Reese, Jr., Company, Thomas, Coal Downtake Apparatus, Oil Tanks, etc.

Riter-Conley Manufacturing Company, Smoke Flue System.

Sturtevant Company, B. F., Blower Sets.

Tucker & Vinton, Concrete Hot Wells.

Treadwell & Company, M. H., Furnace Castings, etc.

Walworth Manufacturing Company, Steam, Water, and Drip Piping.

Westinghouse, Church, Kerr & Company, Three Turbo Generator Sets and Two Exciter Engines.

Westinghouse Machine Company, Stokers.

Wheeler Condenser Company, Feed Water Heaters.

Worthington, Henry R., Boiler Feed Pumps.

SUB-STATIONS

American Bridge Company, Structural Steel.

Carlin & Company, P. J., Foundation and Superstructure, Sub-station No. 15 (143d Street).

Cleveland Crane & Car Company, Hand Power Traveling Cranes.

Crow, W. L., Foundation and Superstructure Sub-stations Nos. 17 and 18 (Fox Street, Hillside Avenue).

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.

Hisc.o.x & 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