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 [Lincoln Building construction.]

Madison Ave. & 41st St. Elevations [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.]

41st St. Side [Lincoln Building construction.]

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

41st St. Side [Lincoln Building construction.]

41st St. Side [Lincoln Building construction.]

41st St. Side [Lincoln Building construction.]