Brooklyn Union Gas Company, appliance department, upstairs.

Brooklyn Union Gas Company, appliance department, downstairs.

Brooklyn Union Gas Co., Appliance Department. Upstairs general view.

Brooklyn Union Gas Company, appliance department, downstairs.

Fulton Street. Brooklyn Union Gas Co., Appliance Department. Dynamo room.

Brooklyn Union Gas Company, emergency station.

Brooklyn Union Gas Company, emergency station.

Brooklyn Union Gas Company, emergency station.

Webster Avenue. Northern Union Gas Company, appliance display rooms.

108-112 Livingston Street. Demonstration Building, Brooklyn Union Gas Company.

Webster Avenue. Northern Union Gas Company, appliance display rooms.

Webster Avenue. Northern Union Gas Company, appliance display rooms.

Webster Avenue. Northern Union Gas Company, appliance display rooms.

Brooklyn Union Gas. Co., Pulmotor in action.

176 Remsen Street. Brooklyn Union Gas Co.

Brooklyn Union Gas Co., demonstration building, cooking class.

Brooklyn Union Gas.

Brooklyn Union Gas.

Brooklyn Union Gas Co., demonstration building, cooking class.

130 East 15th Street. New Amsterdam Gas Company. Display window, gas appliances