Russell and Erwin Des Pat D4, 166 Doorknob Oriental Bronze decorative doorknob made by

Bronze decorative doorknob made by Norwalk

Decorative cast iron rosette made by Corbin

It has the typical extended base which fits into their unique slotted lock boxes

Their hardware was used by a number of notable architects who specialized in these styles at the time

The decoration carries to the underside of the knob with a more simple almost colonnade design on the underside

Russell and Erwin Des Pat D4, 166 Doorknob Oriental Bronze decorative doorknob made byRussell 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