Brooklyn Union Gas Company, appliance department, upstairs.

Brooklyn Union Gas Company, appliance department, upstairs.

Brooklyn Union Gas Company, appliance department, downstairs.

Brooklyn Union Gas Company, appliance department, downstairs.

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

176 Remsen Street. Brooklyn Union Gas Co.

Brooklyn Union Gas. Co., Pulmotor in action.

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

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

108 Livingston Street. Brooklyn Union Gas Co., Demonstration Building.

108-112 Livingston Street . Brooklyn Union Gas. Co. Demonstration Building.

Brooklyn Union Gas Company, emergency station.

Brooklyn Union Gas Company, emergency station.

Demonstrating use of Pulmotor in Brooklyn, Union Gas Co. Emergency Station Exterior.

1815 Webster Avenue. Northern Union Gas Co., general view of gas works office building, etc.

Brooklyn Union Gas Company, emergency station.

525 Courtlandt Avenue. Central Union Gas Co., general exterior.

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

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

Brooklyn Union Gas.