[Scientific American Building, 24 West 40th St.]
Scientific American Building, 24 West 40th St.
[24 West 40th St.]
[Knox Building, Fifth Avenue and 40th Street.]
[Knox Building, Fifth Ave. and 40th St. New York.]
Building, Knox, Fifth Ave. & 40th Street.
East 40th Street.
Scientific American, Interior General Office, 15th Floor.
Street Scene Looking Down Fifth Ave. from 40th Street.
Street Scene Looking South Down Fifth Ave. from 40th Street.
40th St. and Broadway N.Y.
Street Scenes, Broadway North from 40th Street.
Street Scene Looking North on Fifth Ave. from 40th Street.
West Side of Fifth Ave. 39 to 40 Sts.
Scientific American Building, 24-26 West 40th Street
[Knox Building, Fifth Ave. and 40th St., New York.]
Broadway and 40th Street.
East Side of Fifth Ave. from 40 to 39 Sts.