late 19th or early 20th century american antique interior residential ornamental cast iron "indian lattice" pattern register or grate with black enameled finish. the grate is tightly affixed to the iron enclosure containing pressed steel adjustable louvers. the vertical wheel movement remains intact. multiple matching registers were salvaged from a chicago graystone constructed between 1895-1903. the louvered register was 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. the black enameled registers are priced individually. measures 14 x 12 inches