diminutive c. 1900's ornamented cast iron interior residential "geometric" pattern wall-mount air intake grate cover likely designed and fabricated by the tuttle & bailey manufacturing co., new york. the small perforated iron grate was originally mounted against a frame containing movable louvers. the grate has a bare metal finish with sporadic discoloration evident. salvaged from a milwaukee foursquare residence undergoing demolition. 7-1/4" x 5-1/4"