41st St. Elevation [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

41st St. Elevation, Looking N.W. [Lincoln Building construction.]

41st St. Elevation, Looking N.E. [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

41st St. Elevation [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [Lincoln Building construction.]

Madison Ave. and 41st St. Elevations [Lincoln Building construction.]

Madison Ave. and 41st St. Elevations [Lincoln Building construction.]

41st St. Elevation, Looking N.E. [Lincoln Building construction.]

41st St. Elevation, Looking N.W. [Lincoln Building construction.]