on & Dalton, Sewer Construction, 142d Street Sewer.

Onondaga Vitrified Brick Company, Ducts.

Pilkington, James, Sewer Construction, Canal Street and Bleecker
Street Sewers.

Simmons Company, John, Iron Railings, Viaduct Sections.

Sicilian Asphalt Paving Company, Waterproofing.

Tucker & Vinton, Vault Lights.

United Building Material Company, Cement.

* * * * *

_Electrical Department_

L. B. Stillwell, Electrical Director.

Electric plant for generation, transmission, conversion, and
distribution of power, third rail construction, electrical car
equipment, lighting system, fire and emergency alarm systems:

American Steel & Wire Company, Cable.

Bajohr, Carl, Lightning Rods.

Broderick & Company, Contact Shoes.

Cambria Steel Company, Contact Rail.

Columbia Machine Works & Malleable Iron Company, Contact Shoes.

Consolidated Car Heating Company, Car Heaters.

D. & W. Fuse Company, Fuse Boxes and Fuses.

Electric Storage Battery Company, Storage Battery Plant.

Gamewell Fire Alarm Telegraph Company, Fire and Emergency Alarm
Systems.

General Electric Company, Motors, Power House and Sub-station
Switchboards, Control Apparatus, Cable.

General Incandescent Arc Light Company, Passenger Station
Switchboards.

India Rubber & Gutta Percha Insulating Company, Cables.

Keasby & Mattison Company, Asbestos.

Malleable Iron Fittings Company, Third Rail and other Castings.

Mayer & Englund Company, Rail Bonds.

Mitchell Vance Company, Passenger Station Electric Light Fixtures.

National Conduit & Cable Company, Cables.

National Electric Company, Air Compressors.

Nernst Lamp Company, Power Station Lighting.

Okonite Company, Cables.

Prometheus Electric Company, Passenger Station Heaters.

Roebling's Sons Company, J. A., Cables.

Reconstructed Granite Company, Third Rail Insulators.

Standard Underground Cable Company, Cables.

Tucker Electrical Construction Company, Wiring for Tunnel and
Passenger Station Lights.

Westinghouse Electric & Manufacturing Company, Alternators, Exciters,
Transformers, Motors, Converters, Blower Outfits.

Westinghouse Machine Company, Turbo Alternators.

* * * * *

_Mechanical and Architectural Department_

John Van Vleck, Mechanical and Construction Engineer.

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

POWER HOUSE

Alberger Condense