Popular from the Civil War into the 1930s, black doorknobs were called "jet", and were made from red clay with a black glaze. White doorknobs were "porcelain", but were made from white clay with a fired porcelain surface, like china. ("Mineral" was a swirly brown color, which disappeared in the 1920s.)Until the turn of the century, clay doorknobs were the most common doorknob selection offered on interior door sets. See more items from our Doorknobs category. Specifications Item # 6872 Finish Shown White Enamel Width 2.25"
