Chanin Building. From 38th Street and Lexington Avenue, 3 p.m.

Chanin Building. From 42nd Street east of Third Avenue, at 1:15 p.m.

Chanin Building, 2nd position. General exterior.

Chanin Building, 2nd position. General exterior.

Chanin Building. From 42nd Street east of Third Avenue, at noon.

Chanin Building. From 42nd Street east of Third Avenue, at noon.

Chanin Building. From 42nd Street east of Third Avenue, at 1:15 p.m.

Chanin Building, 1st position. General exterior.

Baltimore & Ohio Railroad Station, Chanin Building. From stairway to entrance doors.

Chanin Building, 1st position, 42nd St. and Lexington Ave. General exterior.

Chanin Building, 1st position, 42nd St. and Lexington Ave. General exterior.

Chanin Building. From 42nd Street east of Third Avenue, at 1:15 p.m.

Chanin Building. From Second Avenue.

McGraw-Hill Building. From east of Eighth Avenue on 42nd Street II.

42nd Street from Tudor City

Chanin Building, 42nd Street and Lexington Avenue, N.Y.C. From 38th Street and Lexington Avenue.

McGraw-Hill Building. Lobby from entrance.

McGraw-Hill Building. Up shot from 41st Street.

McGraw-Hill Building. Elevator corridor.

McGraw-Hill Building. Stair-opening, detail.