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

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

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

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

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

Brooklyn Union Gas. Co., Pulmotor in action.

Brooklyn Union Gas Company, emergency station.

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

Brooklyn Union Gas Company, appliance department, downstairs.

Brooklyn Union Gas Company, emergency station.

Brooklyn Union Gas Company, appliance department, upstairs.

Brooklyn Union Gas.

Brooklyn Union Gas Company, emergency station.

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

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

Brooklyn Union Gas Company, appliance department, upstairs.

Brooklyn Union Gas Company, appliance department, downstairs.

Brooklyn Union Gas.

1815 Webster Avenue. Northern Union Gas Co. storefront.

Remsen Street and Court Street. Terminal Building.