Russell and Erwin Des Pat D4, 166 Doorknob Oriental Decorative cast iron rosette made

Decorative cast iron rosette made by Corbin

Bronze decorative doorknob made by Norwalk

shell and floral motifs over most of the surface

It has a 3 1/2" center to center distance for the mounting screws

An early example

Russell and Erwin Des Pat D4, 166 Doorknob Oriental Decorative cast iron rosette madeRussell and Erwin Des Pat D4, 166 Doorknob Heavy cast iron decorative doorknob by Russell and Erwin. One of those early patented designs assigned to Metallic Compression Casting Company. Design Pat # D4, 116 by Joseph A. Ruff. patented in 1870 and seen in Russell and Erwin's 1871 Sup and 1875 catalogues. It features a concave center with a dense fourfold floral design. Decoration extends to the underside. The doorknob measures 2 1 4"diam. It fits