hard to find original 19th century american antique interior residential ornamental cast iron "persian" pattern air intake register or grate with traces of the original brass-plated finish. the grate was originally mounted against an iron enclosure containing pressed steel adjustable louvers. the petite-sized grille or grate cover contains six screw holes for mounting purposes. fabricated by the tuttle & bailey manufacturing co., new york. 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. 7-1/2" x 5-1/2"