130 East 15th Street. Consolidated Gas Company. Machine room

130 East 15th Street. Consolidated Gas Company. Machine room

[Consolidated Edison Building.]

[Interior, drafting room.]

[Gas Arc Lighting.]

[Interior, drafting room.]

N.Y. Edison Co., 55 Duane St.

[N.Y. Edison Co., 55 Duane St.]

[The New York Mutual Gas Light Company.]

130 East 15th Street. Consolidated Gas Company. Library

[N.Y. Edison Co., 55 Duane St.]

[N.Y. Edison Co., 55 Duane St.]

N.Y. Edison Co., 55 Duane St.

130 East 15th Street. Consolidated Gas Company. Interior, library

N.Y. Edison Co., 55 Duane St.

East 14th Street and Irving Place. Consolidated Gas Company, detail of tower

130 East 15th Street. Consolidated Gas Company. Library

[Night view of Union Square and Con Edison's tower.]

130 East 15th Street. Consolidated Gas Company. Telephone switchboard

East 111th Street and First Avenue. Consolidated Gas Company. Meter repair and Range Department. Dilapidated ranges