oversized c. 1900's antique american victorian era ornamental cast iron flush mount floor grate designed and fabricated by the tuttle & bailey manufacturing co., new york. the "indian lattice" pattern grate was salvaged from a chicago commercial building constructed around 1901. the perforated iron grille or ventilation cover contains a uniform black enameled finish. established in 1846, the tuttle and bailey company was the dominant manufacturer of cast iron registers in the latter half of the 19th century. the company continued to perfect its ornamental grille manufacturing processes and was eventually acquired by hart & cooley, inc. in 1933. world war ii influenced the production of several new products from tuttle & bailey, including air intake covers for tanks and mortar shells. the mortar die and special presses were brought out one more time during the korean war. the tuttle & bailey business was moved to holland, mi. in 1983-84. a smaller version with identical pattern was salvaged from the same commercial building salvage. measures 26 1/4 x 22 1/4 inches.