218 East 57th Street. Apartment building, after alterations

[444 East 57th Street. Apartment building.]

218 East 57th Street. Apartment building, before alterations

East 57th Street and Park Avenue. The Mayfair Apartments

East 57th Street and Park Avenue. Mayfair Apartment House

218 East 57th Street. Apartment building. Interior, elevator cab in altered apartments

130-140 West 57th Street. Duplex apartments.

West 57th Street. Apartment house near Lotus Club.

9 East 57th Street.

130-140 West 57th Street. Duplex Studio Apartments.

318-322 East 83rd Street. Apartment building

57th Street and Park Avenue. Mayfair Apartment House.

400 East 58th Street. Apartment building

5 East 57th Street. Commercial building

310 East 55th Street. Apartment building

221-223 West 57th Street. Scarboro Mansion Apartment house.

221-223 West 57th Street. Scarboro Mansions Apartment House.

57th Street and 7th Avenue. The Osborne.

12 East 57th Street. Durand-Ruel Building.

218 East 57th Street. Apartment building. Interior, elevator cab in altered apartments showing electric eye in action