270 Madison Avenue. National Starch Products Co., laboratory.
270 Madison Avenue. National Starch Products Co. research department.
270 Madison Avenue. National Starch Products Co., three pictures of laboratories.
Three-story building, Nat'l Adhesives.
270 Madison Avenue. National Starch Products Co. technical laboratory on tenth floor.
National Starch Products Co., copy photo of airplane view of new factory.
Woolworth Building, sub-basement center south.
39 Broadway. Harriman Building, basement staircase.
52 Wall Street. The National City Co., basement stories.
Joralemon Street. Medical Arts Building, detail, basement.
Woolworth Building, basement from N.W. corner looking east to Park Place.
Exchange Place and William Street. View basement to Lord's Court Building, exterior.
RCA Building, telegraph offices in basement concourse.
Rector Street and Broadway. Empire Building, detail of basement stories to north front.
William Street and Exchange Place. View basement to Lord's Court Building, exterior.
233 Broadway. Woolworth Building, showing Broadway basement stories.
Gates and Wyckoff Avenues. Ridgewood National Bank, panel board in basement.
Woolworth Building, sub-basement central section, boiler room.