original oversized early 20th century american industrial cast bronze oscar heineman silk factory building elevator cab push button plaque fabricated by or for the otis elevator company, new york city, ny. the long and narrow solid bronze push button plaque retains the original composite push buttons. multiple plaques and components were removed from both the private administrative building and warehouse elevators. construction of the oscar heineman silk company factory complex began in 1918. one of the four buildings has been converted into the silk factory lofts. the warehouse and administration office building is currently undergoing demolition. the silk factory complex was built using red face brick accentuated with ornamental bedford (indiana) limestone. the general contractor on record was r.c. wieboldt and the architectural firm was lockwood, greene, and company. urban remains obtained salvage rights shortly before the administration building faced demolition. priced individually.